Art is never finished, only abandoned.

King of the animals — as thou hast described him — I should rather say king of the beasts, thou being the greatest — because thou hast spared slaying them, in order that they may give thee their children for the benefit of the gullet, of which thou hast attempted to make a sepulchre for all animals; and I would say still more, if it were allowed me to speak the entire truth.

In the days of thy youth seek to obtain that which shall compensate the losses of thy old age.

Learning is the only thing the mind never exhausts, never fears, and never regrets.

Tears come from the heart and not from the brain

Motion is created by the destruction of balance.

The painter who draws by practise and judgment of the eye without the use of reason is like the mirror which reproduces within itself all the objects which are set opposite to it without knowledge of the same.