Laws which prescribe what everyone must believe, and forbid men to say or write anything against this or that opinion, are often passed to gratify, or rather to appease the anger of those who cannot abide independent minds.

What Paul says about Peter tells us more about Paul than about Peter.

If a man had begun to hate an object of his love, so that love is thoroughly destroyed, he will, causes being equal, regard it with more hatred than if he had never loved it, and his hatred will be in proportion to the strength of his former love.

But if men would give heed to the nature of substance they would doubt less concerning the Proposition that Existence appertains to the nature of substance: rather they would reckon it an axiom above all others, and hold it among common opinions. For then by substance they would understand that which is in itself, and through itself is conceived, or rather that whose knowledge does not depend on the knowledge of any other thing.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

Men believe themselves to be free, simply because they are conscious of their actions, and unconscious of the causes whereby those actions are determined.

.... we are a part of nature as a whole, whose order we follow.