做同样旧事的代价远高于改变的代价。
The price of doing the same old thing is far higher than the price of change.
The more you give, the more they take.
——凯文·史密斯回忆与斯图尔特的合作经历。
知足常乐者最富有,因为知足本身就是天然的财富。
The key to great acting is not to pretend, but to become.
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。