Simplicity is the ultimate sophistication.

The earth is moved from its position by the weight of a tiny bird resting upon it.

It is a far worthier thing to read by the light of experience than to adorn oneself with the labors of others.

Though I may not . . . be able to quote other authors, I shall rely on that which is much greater and more worthy - on experience.

I'm not contented to capture the world. I want to change it.

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

... we might say that the earth has a spirit of growth; that its flesh is the soil, its bones the arrangement and connection of the rocks of which the mountains are composed, its cartilage the tufa, and its blood the springs of water.