人的生命是有限的,但为人民服务是无限的。
The power of a system comes from its ability to compose and decompose representations.
You can turn over a new leaf every hour if you choose.
用程序证明四色定理不会改变数学——它只是证明了这个挑战了一个世纪的定理是一个有限的问题。
The greatest virtue of man is perhaps curiosity.