Leviathan (Hobbes book)
Part III: Of a Christian Commonwealth

In Part III Hobbes seeks to investigate the nature of a Christian commonwealth. This immediately raises the question of which scriptures we should trust, and why. If any person may claim supernatural revelation superior to the civil law, then there would be chaos, and Hobbes' fervent desire is to avoid this. Hobbes thus begins by establishing that we cannot infallibly know another's personal word to be divine revelation:

When God speaketh to man, it must be either immediately or by mediation of another man, to whom He had formerly spoken by Himself immediately. How God speaketh to a man immediately may be understood by those well enough to whom He hath so spoken; but how the same should be understood by another is hard, if not impossible, to know. For if a man pretend to me that God hath spoken to him supernaturally, and immediately, and I make doubt of it, I cannot easily perceive what argument he can produce to oblige me to believe it.

This is good, but if applied too fervently would lead to all the Bible being rejected. So, Hobbes says, we need a test: and the true test is established by examining the books of scripture, and is:

So that it is manifest that the teaching of the religion which God hath established, and the showing of a present miracle, joined together, were the only marks whereby the Scripture would have a true prophet, that is to say, immediate revelation, to be acknowledged; of them being singly sufficient to oblige any other man to regard what he saith.

Seeing therefore miracles now cease, we have no sign left whereby to acknowledge the pretended revelations or inspirations of any private man; nor obligation to give ear to any doctrine, farther than it is conformable to the Holy Scriptures, which since the time of our Saviour supply the place and sufficiently recompense the want of all other prophecy

"Seeing therefore miracles now cease" means that only the books of the Bible can be trusted. Hobbes then discusses the various books which are accepted by various sects, and the "question much disputed between the diverse sects of Christian religion, from whence the Scriptures derive their authority". To Hobbes, "it is manifest that none can know they are God's word (though all true Christians believe it) but those to whom God Himself hath revealed it supernaturally". And therefore "The question truly stated is: by what authority they are made law?"

Unsurprisingly, Hobbes concludes that ultimately there is no way to determine this other than the civil power:

He therefore to whom God hath not supernaturally revealed that they are His, nor that those that published them were sent by Him, is not obliged to obey them by any authority but his whose commands have already the force of laws; that is to say, by any other authority than that of the Commonwealth, residing in the sovereign, who only has the legislative power.

He discusses the Ten Commandments, and asks "who it was that gave to these written tables the obligatory force of laws. There is no doubt but they were made laws by God Himself: but because a law obliges not, nor is law to any but to them that acknowledge it to be the act of the sovereign, how could the people of Israel, that were forbidden to approach the mountain to hear what God said to Moses, be obliged to obedience to all those laws which Moses propounded to them?" and concludes, as before, that "making of the Scripture law, belonged to the civil sovereign."

Finally: "We are to consider now what office in the Church those persons have who, being civil sovereigns, have embraced also the Christian faith?" to which the answer is: "Christian kings are still the supreme pastors of their people, and have power to ordain what pastors they please, to teach the Church, that is, to teach the people committed to their charge."

There is an enormous amount of biblical scholarship in this third part. However, once Hobbes' initial argument is accepted (that no-one can know for sure anyone else's divine revelation) his conclusion (the religious power is subordinate to the civil) follows from his logic. The very extensive discussions of the chapter were probably necessary for its time. The need (as Hobbes saw it) for the civil sovereign to be supreme arose partly from the many sects that arose around the civil war, and to quash the Pope of Rome's challenge, to which Hobbes devotes an extensive section.
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