Sickness is mankind's greatest defect.

Diogenes, filthily attired, paced across the splendid carpets in Plato's dwelling. Thus, said he, do I trample on the pride of Plato. Yes, Plato replied, but only with another kind of pride.

Every condition of the soul has its own sign and expression...So you will see how hard it is to seem original without being so.

You can make a good living from soothsaying but not from truthsaying.

It is a sure evidence of a good book if it pleases us more and more as we grow older.

The greater part of human misery is caused by indolence.

To receive applause for works which do not demand all our powers hinders our advance towards a perfecting of our spirit. It usually means that thereafter we stand still.