The only thing that it is advisable to know in any language is the numerals; and even there, you can do a lot with the fingers.

The trouble with modern education is you never know how ignorant people are. With anyone over fifty you can be fairly confident what's been taught and what's been left out. But these young people have such an intelligent, knowledgeable surface, and then the crust suddenly breaks and you look down into depths of confusion you didn't know existed.

An artist must be a reactionary. He has to stand out against the tenor [group think] of the age and not go flopping along. By doing this he helps us to question and reassess our past, present and future situations, our assumptions and our options.

Sometimes, I feel the past and the future pressing so hard on either side that there's no room for the present at all.

I haven't been to sleep for over a year. That's why I go to bed early. One needs more rest if one doesn't sleep.

Self-sufficiency at home, self-assertion abroad.

Your actions, and your action alone, determines your worth.