Man is the plumeless genus of bipeds, birds are the plumed.

Your dog is your only philosopher.

Poets do not compose their poems with knowledge, but by some inborn talent and by inspiration, like seers and prophets who also say many fine things without any understanding of what they say.

To do injustice is the greatest of all evils.

Of all the things which a man has, next to the gods his soul is the most divine and most truly his own.

Health is a consumation of a love affair of all the organs of the body.

Do thine own work, and know thyself.