"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."

每个人都有自己的故事。

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

The challenge is to make the invisible visible.

安全不仅仅是一项政策，它是一种从高层开始的文化。

唯一真正的音乐是心灵的音乐。