成功来自于坚持和努力。

It is much easier to change how you think by changing your behavior， than it is to change your behavior by changing how you think. Act out the change you seek.

The beauty of chemistry lies in its ability to create new possibilities from basic principles.

I always try to find a solution, not an excuse.

在量子力学中，粒子的概念失去了它通常的意义。

自由民主制度可能并不完美，但它是我们拥有的最好的制度。