I don't let negativity bring me down.
要理解一個地方，你必須首先理解它是如何形成的。
數(shù)學語言是通用的，超越了文化和語言的障礙。
每一個明天都有兩個把手。我們可以用焦慮的把手抓住它，也可以用信念的把手抓住它。
You build your life around the fact that you are going to die, and then you don’t die.
The truth is rarely pure and never simple.
True sustainability is about harmony with nature.
The only real love is the love of beauty.