Supreme happiness will be the greatest cause of misery, and the perfection of wisdom the occassion of folly.

Test knowledge through experience, be prepared to make mistakes, and be persistent about it.

Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.

All objects transmit their image to the eye in pyramids and the nearer to the eye these pyramids are intersected the smaller will the image appear of the objects which cause them.

Everything comes from everything, and everything is made out of everything, and everything returns into everything.

To be a winner you must want to win but must know of the chance of losing and must not fear of it.

The human foot is a masterpiece of engineering and a work of art.