计算的目的是洞察，而不是数字。
The purpose of computation is insight, not numbers.
An excellent man; he has no enemies; and none of his friends like him.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
高尚的人是履行自己职责而不关心结果的人。
可持续发展要求我们在经济增长和环境保护之间取得平衡。