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有時候，沉默比語言更有力量。

I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.

文化是組織的靈魂。

We are all shaped by the invisible hand of evolution.

I don't think about the past. The only thing that matters is the everlasting present.

盡一切職責，而不希望得到任何回報。

教育是我們減少不平等和促進社會流動的最有力工具之一。

可持續性不是一種選擇，而是必須——如果我們想在養活不斷增長的人口的同時不破壞地球的話。