I have to keep working, not to arrive at finish, which arouses the admiration of fools... I must seek completion only for the pleasure of being truer and more knowing.

The day is coming when a single carrot, freshly observed, will set off a revolution.

The world doesn't understand me and I don't understand the world, that's why I've withdrawn from it.

Art first of all is optical. That's where the material of our art is: in what our eyes think.

It is necessary to introduce light vibrations, represented by reds and yellows, and a sufficient amount of blues, to obtain an airy feeling.

An art which isn't based on feeling isn't an art at all... feeling is the principle, the beginning and the end; craft, objective, technique - all these are in the middle.

Everything in nature takes its form from the sphere, the cone and the cylinder.