There is a foolish corner in the brain of the wisest man.

For none of the others can exist independently: substance alone is independent: for everything is predicated of substance as subject.

The first set make the underlying body one—either one of the three5 or something else which is denser than fire and rarer than air—then generate everything else from this, (15) and obtain multiplicity by condensation and rarefaction. Now these are contraries, which may be generalized into ‘excess and defect'.

The greatest crimes are not those committed for the sake of necessity but those committed for the sake of superfluity. One does not become a tyrant to avoid exposure to the cold.

The true and the approximately true are apprehended by the same faculty; it may also be noted that men have a sufficient natural instinct for what is true, and usually do arrive at the truth. Hence the man who makes a good guess at truth is likely to make a good guess at probabilities.

There is no great genius without some touch of madness.

The only stable state is the one in which all men are equal before the law.