有时候你做了所有正确的事情，事情仍然会出错。关键是要永远不要停止做正确的事情。

我们必须重视儿童心理发展期间的生理活动与动作。

Acting is a way to explore the human condition and to understand others better.

The arithmetic of L-functions is a key to unlocking the secrets of number theory.

Heredity is nothing but stored environment.

每一个字都是踏入未知的一步。