You can't change the past, but you can ruin the present by worrying about the future.
λ演算本质上是一种纯粹抽象的函数理论。
The best way to predict the future is to invent it.
成功的关键在于坚持,坚持,再坚持。
我不是商人,我就是生意。
道德的人和荣誉的人之间的区别在于,后者即使在不光彩的行为奏效时也会感到后悔。