"I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger."

Freedom is not the power to do what we want， but the right to do what we ought.

The more you know, the more you realize you know nothing.

动力学的方程是完全的，我们无需超越它们。

记忆是连接过去与未来的桥梁。

Don't be afraid of failure, because every failure is practice for success.