The true value of oil lies in its ability to transform economies and societies.
石油的真正价值在于它改变经济和社会的能力。
You do not have to be good. You do not have to walk on your knees for a hundred miles through the desert, repenting. You only have to let the soft animal of your body love what it loves.
The separation of law and morals is a necessary feature of a legal system.
书籍是灵魂的镜子。
真正的孤独不是一个人独处，而是在人群中依然感到孤独。
When the oceans speak through declining stocks, we must have the courage to listen and act.
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.
我们都是我们记忆的总和。