勇敢就是无条件地爱一个人，不期待任何回报。

The truth is often hidden in the shadows, and it takes courage to find it.

爱不是有限的资源。

The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.

释义：天地顺自然而动，所以日月运行不会有差错，四季的更替也不会有差错。圣人顺自然之理而动，则刑罚清明而百姓顺服。