The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

"The only real failure in life is not to be true to the best one knows."

The best time to plant a tree was twenty years ago. The second best time is now.

创作行为并不纯粹。历史证明了这一点。意识形态要求它。社会强求它。艺术家在创作艺术作品的那一刻就失去了自由。

决定不做什么和决定做什么同样重要。