Selfishness doesn't consist in a love to yourself, but in a big degree of such love.

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

You can never learn anything that you did not already know

The Life of the intellect is the best and pleasantest for man, because the intellect more than anything else is the man. Thus it will be the happiest life as well.

He who cannot see the truth for himself, nor, hearing it from others, store it away in his mind, that man is utterly worthless.

No one would choose a friendless existence on condition of having all the other things in the world.

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.