If you are on the side whence the wind is blowing you will see the trees looking much lighter than you would see them on the other sides; and this is due to the fact that the wind turns up the reverse side of the leaves which in all trees is much whiter than the upper side.

Especially learn how to see.

Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.

I am still hopeful. A falcon, Time. But the coincidence is probably accidental.

Nature never breaks her own laws.

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.

The painter strives and competes with nature.