The beauty of physics lies in its ability to explain the complex with the simple.

种一棵树最好的时间是二十年前，其次是现在。

我的父母教导我永远不要放弃。

好的政策需要健全的理论和实证验证。

Never underestimate the power of small improvements—they compound over time.

"In war, the first casualty is truth."

一件事情都不能做到有始有终，就不要去操持其他的事情;一物也不明白，就不要追求博闻广记。

开始有意识地生活的最佳时机就是现在。