艺术家必须同时是哲学家、科学家和诗人。
某个命题可以从某一组公理通过某一规则系统推导出来,这一事实本身并不使其为真。
It's far better to buy a wonderful company at a fair price than a fair company at a wonderful price.
Everything is a learning process: any time you fall down, you get up and you learn from it.