I'm not a champion, I'm a challenger.

You can't manage what you don't measure, and you can't improve what you don't manage.

对话应当面面俱到，无所不谈，但又不可深谈。

The essential thing is not to have conquered but to have fought well.

教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。

你受到的约束越多，你就变得越有创造力。