永远看看你还有什么,而不是你失去了什么。
Always look at what you have left. Never look at what you have lost.
It makes sense to be busy living or busy dying.
改变始于倾听,然后与那些你认为在做错误事情的人展开对话。
如果你面对去年的自己不感到尴尬的话,你目前可能学习得不够努力。
To understand mathematics is to speak the language of the universe.