物理理论的美在于它能够统一看似无关的现象。

When you embrace the power within yourself, that's when miracles start to happen.

The best books... are those that tell you what you know already.

Hatred destroys only the hater.

If you want to grow, you must be willing to adapt.

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.

一个试图教学而不激发学生学习欲望的教师，就像在冷铁上敲打。