All soul is immortal. For that which is always in movement is immortal; that which moves something else, and is moved by something else, in ceasing from movement ceases from living. So only that which moves itself, because it does not abandon itself, never stops moving. But it is also source and first principle of movement for the other things which move.

Let praise be given equally to women as well as men who have been distinguished in virtue.

If particulars are to have meaning, there must be universals.

That is very high praise, which is given you by faithful witness.

May not the wolf, as the proverb says, claim a hearing?

Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.

Philosophy begins in wonder.