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Becoming Catholic #19—The Jewish Roots of Catholic Authority, Part 1: Moses and the Priesthood Speak for God

The “Becoming Catholic” series presents the biblical, philosophical, and historical evidence for why Eternal Christendom Founder, Joshua Charles, became and remains Catholic. The series table of contents is here.

Jan von Bronckhorst, Jethro Advising Moses (1659)

By Whose Authority?

On a practical level, the core dispute between the Catholic Church and protestants resolves around one question: did Christ establish a Church with authority to teach in His name? Catholics say “yes.” Protestants say “no.” Even the most “high church” protestants could not agree that the church has authority to render judgment in God’s name, because if it did, such a Church could not teach error. Thus, the furthest they can go is a church that renders merely human judgment on divine questions.

However, not only is this idea foreign to the history of Christianity, it is foreign to the Bible. This was one of the key issues that led to my eventual conversion from protestantism.

Virtually every form of protestantism I knew of put man’s authority and God’s authority in two separate boxes, as if they could never overlap. But I saw that the Bible we protestants so often appealed to did no such thing. (I wrote about this extensively in Becoming Catholic #12: Why Acts 15 Led Me to the Catholic Church) In fact, quite the opposite: Scripture was full of examples of God’s authority being exercised by human agents to whom He had imparted it. The deeper I dug, the more I discovered that the Catholic notion of authority had very Jewish roots, which only shed light on the many places in the New Testament when Christ and the Apostles delegated authority to others. These Jewish roots were not surprising when I recalled St. Paul’s reminder that “whatever was written in former days was written for our instruction” (Rom. 15:4). Indeed, the Hebrew Bible is deeply instructive on the topic of how God exercises His authority among His people.

Infallible = Speaking for God with God’s Authority

The Catholic Church claims to possess infallible authority from God to teach the Christian Faith. For the purpose of this series of articles, “infallible” simply means “the authority to teach in God’s name.” The philosophical implications of this—that it necessarily implies an authority that teaches without error, etc.—will be examined elsewhere. Likewise, I will not address the details of Catholic theology on infallibility, or the specifics of the papacy, as these will also be addressed elsewhere.

My only concern in this series is to offer evidence that the roots of this Catholic assertion are profoundly Jewish. Far from being unbiblical, the idea that there are certain offices and men who have been delegated by God to speak and govern His people in His name and with His authority is deeply biblical.

God Commissions Moses to Liberate His People

One of the greatest examples of God using men to authoritatively teach and govern His people is Moses.

After God appears to Moses in the Burning Bush, He commissions him to liberate His people from slavery in Egypt. Moses objects that he is “slow of speech and of tongue” (Ex. 4:10). But God makes clear this will not interfere with how He will use him. “Now therefore go,” He says, “and I will be with your mouth and teach you what you shall speak.” (v. 12) Moses again begs God to send another. God does not comply with Moses’ request, but says He will provide Aaron, Moses’ brother, as a helper for him. What God says next is revealing (Ex. 4:15-16):

15 And you shall speak to him [Aaron] and put the words in his mouth; and I will be with your mouth and with his mouth, and will teach you what you shall do. 16 He shall speak for you to the people; and he shall be a mouth for you, and you shall be to him as God. [Emphasis added]

Thus, in God’s commissioning of Moses with a portion of His own authority, we clearly see that it is no affront to God to claim that a man may exercise His authority to teach. In fact, this is precisely what God Himself established when He called on Moses to free His people. So intimately did God associate Himself with Moses (and secondarily Aaron) that He promised active assistance to them both, and even commanded that Aaron submit to Moses as if he was God!

The rest of the book of Exodus is full of examples of God directly using Moses to speak with His authority to the people of Israel and Pharaoh.

God Establishes the Priesthood to Speak in His Name

But God did not restrict the exercise of such authority to an event as unique and singular as the Exodus. Rather, He established a leadership structure that would govern His people with His authority on an ongoing basis.

In the early days of the Israelites’ journey after crossing the Red Sea, Moses ruled the people of Israel (Ex. 18:13): “On the morrow Moses sat to judge the people, and the people stood about Moses from morning till evening.” But when his father-in-law, Jethro, saw how exhausting it was for Moses to govern in this fashion, he asked him what he was doing. Moses asserted he was judging the people with God’s authority (Ex. 18:15-16):

15 And Moses said to his father-in-law, “Because the people come to me to inquire of God; 16 when they have a dispute, they come to me and I decide between a man and his neighbor, and I make them know the statutes of God and his decisions.” [Emphasis added]

Note, this was before the Israelites arrived at Mount Sinai and received the law. It’s interesting to note here that Moses was no doubt exercising the same basic function referred to by Christ when He spoke of the Pharisees sitting on “Moses’ seat” (Matt. 23:2-3):

2 “The scribes and the Pharisees sit on Moses’ seat; 3 so practice and observe whatever they tell you, but not what they do; for they preach, but do not practice. [Emphasis added]

Not only did the Israelites approach Moses expecting to hear God’s answer, but Moses himself understood his own authority as existing to not only teach them “the statutes of God,” but to render “his [God’s] decisions” in their disputes. Christ had no problem citing this to His followers when it came to the religious leadership of His own day. Again, we see in Scripture that there is no intrinsic problem with the idea of a man exercising God’s authority among men. God remains ultimately sovereign. But His sovereignty is not in any way threatened or endangered by His delegation of a portion of it to human agents.

In response to Moses, and seeing how overwhelmed he was, Jethro offered him a suggestion (Ex. 18:17-23):

17 Moses’ father-in-law said to him, “What you are doing is not good. 18 You and the people with you will wear yourselves out, for the thing is too heavy for you; you are not able to perform it alone. 19 Listen now to my voice; I will give you counsel, and God be with you! You shall represent the people before God, and bring their cases to God; 20 and you shall teach them the statutes and the decisions, and make them know the way in which they must walk and what they must do. 21 Moreover choose able men from all the people, such as fear God, men who are trustworthy and who hate a bribe; and place such men over the people as rulers of thousands, of hundreds, of fifties, and of tens. 22 And let them judge the people at all times; every great matter they shall bring to you, but any small matter they shall decide themselves; so it will be easier for you, and they will bear the burden with you. 23 If you do this, and God so commands you, then you will be able to endure, and all this people also will go to their place in peace.” [Emphasis added]

Moses “gave heed to the voice of his father-in-law and did all that he had said” (Ex. 18:24). He appointed the various leaders, and they “judged the people at all times; hard cases they brought to Moses, but any small matter they decided themselves” (Ex. 18:26).

Jethro, in offering his advice to Moses, implicitly accepted that Moses ruled with God’s authority when he qualified that advice by saying, “If you do this, and God so commands you…” (v. 23) While Jethro believed his advice was sound, he ultimately left it to Moses to determine whether such advice came from God, or from just a man. Not only did Moses’ subsequent actions prove he believed God had indeed inspired Jethro’s advice, but God included it in the law itself He would later reveal to Moses (Deut. 17:8-13):

8 If any case arises requiring decision between one kind of homicide and another, one kind of legal right and another, or one kind of assault and another, any case within your towns which is too difficult for you, then you shall arise and go up to the place which the Lord your God will choose, 9 and coming to the Levitical priests, and to the judge who is in office in those days, you shall consult them, and they shall declare to you the decision. 10 Then you shall do according to what they declare to you from that place which the Lord will choose; and you shall be careful to do according to all that they direct you; 11 according to the instructions which they give you, and according to the decision which they pronounce to you, you shall do; you shall not turn aside from the verdict which they declare to you, either to the right hand or to the left. 12 The man who acts presumptuously, by not obeying the priest who stands to minister there before the Lord your God, or the judge, that man shall die; so you shall purge the evil from Israel. 13 And all the people shall hear, and fear, and not act presumptuously again. [Emphasis added]

Not only did God govern His people through Moses personally, but He established a hierarchical authority by which to govern His people in perpetuity—prior to giving the law, within the law itself, and after Moses and his generation were long gone. This authority would render judgment in His name, and those who did not accept it as such would be executed. In other words, the very same divine authority by which Moses judged the people would remain available to every generation of Israelites long after he was gone.

Likewise, in the very next section, God anticipates the establishment of the Israelite monarchy, and commands that the king himself shall be subject to this same law (Deut. 17:14-15, 18-20):

14 “When you come to the land which the Lord your God gives you, and you possess it and dwell in it, and then say, ‘I will set a king over me, like all the nations that are round about me’; 15 you may indeed set as king over you him whom the Lord your God will choose

18 “And when he sits on the throne of his kingdom, he shall write for himself in a book a copy of this law, from that which is in charge of the Levitical priests; 19 and it shall be with him, and he shall read in it all the days of his life, that he may learn to fear the Lord his God, by keeping all the words of this law and these statutes, and doing them; 20 that his heart may not be lifted up above his brethren, and that he may not turn aside from the commandment, either to the right hand or to the left; so that he may continue long in his kingdom, he and his children, in Israel. [Emphasis added]

Indeed, one of Judah’s great reforming monarchs, King Jehoshaphat, applied this exact model in his reforms. Even more fascinating, he distinguished between priestly and kingly authority in precisely the same manner as the Catholic Church would later do so with Her “Two Swords” doctrine (2 Chron. 19:8-11):

8 Moreover in Jerusalem Jehoshaphat appointed certain Levites and priests and heads of families of Israel, to give judgment for the Lord and to decide disputed cases. They had their seat at Jerusalem. 9 And he charged them: “Thus you shall do in the fear of the Lord, in faithfulness, and with your whole heart: 10 whenever a case comes to you from your brethren who live in their cities, concerning bloodshed, law or commandment, statutes or ordinances, then you shall instruct them, that they may not incur guilt before the Lord and wrath may not come upon you and your brethren. Thus you shall do, and you will not incur guilt. 11 And behold, Amariah the chief priest is over you in all matters of the Lord; and Zebadiah the son of Ishmael, the governor of the house of Judah, in all the king’s matters; and the Levites will serve you as officers. Deal courageously, and may the Lord be with the upright!” [Emphasis added]

Likewise, when the people returned from exile in Babylon, Ezra the priest gathered the people, and he and other priests explained the Scriptures to them (Neh. 8:4-12):

4 And Ezra the scribe stood on a wooden pulpit which they had made for the purpose; and beside him stood Mattithiah, Shema, Anaiah, Uriah, Hilkiah, and Maaseiah on his right hand; and Pedaiah, Mishael, Malchijah, Hashum, Hashbaddanah, Zechariah, and Meshullam on his left hand. 5 And Ezra opened the book in the sight of all the people, for he was above all the people; and when he opened it all the people stood. 6 And Ezra blessed the Lord, the great God; and all the people answered, “Amen, Amen,” lifting up their hands; and they bowed their heads and worshiped the Lord with their faces to the ground. 7 Also Jeshua, Bani, Sherebiah, Jamin, Akkub, Shabbethai, Hodiah, Maaseiah, Kelita, Azariah, Jozabad, Hanan, Pelaiah, the Levites [the priestly class], helped the people to understand the law, while the people remained in their places. 8 And they read from the book, from the law of God, clearly; and they gave the sense, so that the people understood the reading.

9 And Nehemiah, who was the governor, and Ezra the priest and scribe, and the Levites who taught the people said to all the people, “This day is holy to the Lord your God; do not mourn or weep.” For all the people wept when they heard the words of the law. 10 Then he said to them, “Go your way, eat the fat and drink sweet wine and send portions to him for whom nothing is prepared; for this day is holy to our Lord; and do not be grieved, for the joy of the Lord is your strength.” 11 So the Levites stilled all the people, saying, “Be quiet, for this day is holy; do not be grieved.” 12 And all the people went their way to eat and drink and to send portions and to make great rejoicing, because they had understood the words that were declared to them.


Thus, in God’s dealings with Moses and the Levitical priesthood, we see a few basic facts:

  • God did not believe that men exercising His authority among men was an affront to either Him, or to the authority of the written law (the Scriptures).
  • God ordained Moses, and the priesthood, to interpret and execute the law in particular cases, and to do so with His authority—no sola scriptura for the Israelites!
  • God ensured that this same authority would continue long after the death of Moses, Aaron, and the first generation of priests. This necessarily implicates the principle of succession that underlies the Catholic assertion of apostolic succession as the means by which the authority to govern the Church originally established by Christ in the first century is perpetuated until His return.

It became clear to me that protestant assertions that man’s authority and God’s authority could never overlap, and indeed that such overlap was intrinsically abhorrent to God and unbiblical, were simply not true. In fact, not only were they not true, but such overlap was indeed the normative means by which God had governed His people from the very beginning.

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