我们都是自己矛盾的总和。

长夜黑暗，处处险恶。

I'm not a person who looks back. I'm always looking forward.

Intolerance of ambiguity is the mark of an authoritarian personality.

Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs,flutter and fall there with a sigh.

The true power of mathematics lies in its ability to simplify the complex, making the incomprehensible understandable.