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And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.

The love for all living creatures is the most noble attribute of man.

沒有所謂的"應(yīng)用科學(xué)"這一特殊類別；只有科學(xué)及其應(yīng)用，它們之間的關(guān)系就像果實與結(jié)出果實的樹之間的關(guān)系一樣。

I don’t need a reason to be who I am.

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。

處理一個不自由的世界的唯一方法是變得如此絕對自由，以至于你的存在本身就是一種反抗。