孩子从你的行为中学到的比从你的教导中学到的更多。

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.

所有愤怒的核心是需求没有被满足。

真正的喜悦精神、崇高感、超越人类的感觉，这是最高卓越的试金石，在数学中肯定能找到，就像在诗歌中一样。

Understanding is the first step to acceptance, and only with acceptance can there be recovery.