The painter has the Universe in his mind and hands.
He turns not back who is bound to a star.
Strive to preserve your health; and in this you will better succeed in proportion as you keep clear of the physicians, for their drugs are a kind of alchemy concerning which there are no fewer books than there are medicines.
Reprove your friend in secret and praise him openly.
He who truly knows has no occasion to shout.
Simplicity is the ultimate sophistication.