Virtue is voluntary, vice involuntary.

Numbers are the highest degree of knowledge. It is knowledge itself.

Atheism is a disease of the soul before it becomes an error of understanding.

Other people are likely not to be aware that those who pursue philosophy aright study nothing but dying and being dead. Now if this is true, it would be absurd to be eager for nothing but this all their lives, and then to be troubled when that came for which they had all along been eagerly practicing.

True friendship can exist only between equals.

There is also a third kind of madness, which is possession by the Muses, enters into a delicate and virgin soul, and there inspiring frenzy, awakens lyric... But he, who, not being inspired and having no touch of madness in his soul, comes to the door and thinks he will get into the temple by the help of art - he, I say, and his poetry are not admitted; the sane man is nowhere at all when he enters into rivalry with the madman.

What is better adapted than the festive use of wine in the first place to test and in the second place to train the character of a man, if care be taken in the use of it? What is there cheaper or more innocent?