真正的英雄是有勇气说"不"的人。
Every artist is a child of his time, but the great ones are also the parents of the future.
The human race has one really effective weapon, and that is laughter.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
计算效率的概念是学习算法设计的核心。
The beauty of literature lies in its ability to transcend time and space.