It’s not enough that you believe what you see. You must also understand what you see.

If you are alone you belong entirely to yourself. If you are accompanied by even one companion you belong only half to yourself or even less in proportion to the thoughtlessness of his conduct and if you 45 have more than one companion you will fall more deeply into the same plight.

He who cannot establish dominion over himself will have no dominion over others.

The Medici created and destroyed me.

Learn diligence before speedy execution.

Perspective is to painting what the bridle is to the horse, the rudder to a ship.

O speculators about perpetual motion, how many vain chimeras have you created in the like quest? Go and take your place with the seekers after gold.

The human bird shall take his first flight, filling the world with amazement, all writings with his fame, and bringing eternal glory to the nest whence he sprang.

When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.

A gray day provides the best light.