Only two of my personalities are schizophrenic, but one of them is paranoid and the other one is out to get him. Only when he no longer knows what he is doing does the painter do good things.

The museums are here to teach the history of art and something more as well, for, if they stimulate in the weak a desire to imitate, they furnish the strong with the means of their emancipation.

I really have a lot of stuff in my head; if only there were insurance companies for that as there are for so many things.

You must aim high, not in what you are going to do at some future date, but in what you are going to make yourself do to-day. Otherwise, working is just a waste of time.

C'est vrai. Voilá quelqu'un qui sent comme moi. (It is true. There is someone who feels as I do).

I would have been in mortal misery all my life for fear my wife might say, "That's a pretty little thing," after I had finished a picture.

So that's the telephone? They ring, and you run.