Mathematics is a conversation between the past and the future.
我不完美，但我完美地做自己。
The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.
The past is a foreign country; they do things differently there.
We look at the world once, in childhood. The rest is memory.
我们进步的考验不在于我们为那些拥有很多的人增添更多，而在于我们是否为那些拥有太少的人提供足够。