The nude does not simply represent the body, but relates it, by analogy, to all structures that have become part of our imaginative experience.

Over and above the political, economic, sociological, and international implications of racial prejudices, their major significance is that they place unnecessary burdens upon human beings.

A racist system inevitably destroys and damages human beings; it brutalizes and dehumanizes them, blacks and whites alike.

The dark ghettos are social, political, educational and-above all-economic colonies. Their inhabitants are subject peoples, victims of the greed, cruelty, insensitivity, guilt, and fear of their masters.

All color is no color.

Our universe cannot even be stated symbolically. And this touches us all more directly than one might suppose. For example, artists, who have been very little influenced by social systems, have always responded instinctively to latent assumptions about the shape of the universe. The incomprehensibility of our new cosmos seems to me, ultimately, to be the reason for the chaos of modern art.

It is often said that Leonardo drew so well because he knew about things; it is truer to say that he knew about things because he drew so well.