The only relationship that can make both partners happy is one in which sentimentality has no place and neither partner makes any claim on the life and freedom of the other.

我们共同经历了很多，我们之间的联系是不可打破的。

The most interesting art is the art that doesn’t give you all the answers.

理解学习问题的计算复杂性对于开发高效算法至关重要。