An empty canvas is full.

I usually work in a direction until I know how to do it, then I stop, At the time that I am bored or understand - I use those words interchangeably - another appetite has formed.

If you don't have trouble paying the rent, you have trouble doing something else; one needs just a certain amount of trouble.

Curiosity is the main energy.

People ask me, 'Don't you ever run out of ideas?' In the first place I don't use ideas. Every time I have an idea it's too limiting, and usually turns out to be a disappointment. But I haven't run out of curiosity.

I feel as though the world is a friendly boy walking along in the sun.

For the first time, I wasn't embarrassed by the look of beauty, of elegance, because when you see someone who has only one rag as their property, but it happens to be beautiful and pink and silk, beauty doesn't have to be separated... I have always said that you shouldn't have biases, you shouldn't have prejudices. But before that [before his trip to India, circa 1975] I'd never been able to use purple, because it was too beautiful.