It is simplicity that makes the uneducated more effective than the educated when addressing popular audiences.

We maintain, and have said in the Ethics, if the arguments there adduced are of any value, that happiness is the realization and perfect exercise of virtue, and this not conditional, but absolute. And I used the term 'conditional' to express that which is indispensable, and 'absolute' to express that which is good in itself.

As to adultery, let it be held disgraceful, in general, for any man or woman to be found in any way unfaithful when they are married, and called husband and wife. If during the time of bearing children anything of the sort occur, let the guilty person be punished with a loss of privileges in proportion to the offense.

Mothers are fonder than fathers of their children because they are more certain they are their own.

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

The soul is the form of the body

You should never think without an image.