The blood of a goat will shatter a diamond.

Why is it that all men who are outstanding in philosophy, poetry or the arts are melancholic?

As the pleasures of the body are the ones which we most often meet with, and as all men are capable of these, these have usurped the family title; and some men think these are the only pleasures that exist, because they are the only ones which they know.

It is true, indeed, that the account Plato gives in 'Timaeus' is different from what he says in his so-called 'unwritten teachings.'

Worthless persons appointed to have supreme control of weighty affairs do a lot of damage.

Democracy arose from men's thinking that if they are equal in any respect they are equal absolutely.

. . . Political society exists for the sake of noble actions, and not of mere companionship.