The joy of discovery in mathematics is unparalleled.
数学中发现的快乐是无与伦比的。
可持续性不是一种选择;而是我们对后代的责任。
The opera is a beautiful and irrational world. One could spend a lifetime listening and still not understand everything.
森林不需要我们,而是我们需要森林。
世界文明的命运取决于为全人类提供体面的生活水平。
Wise men talk because they have something to say; fools, because they have to say something.