我越是坚决地以自我存在于时代的条件中，我就越清晰地听到过去的语言，越感受到世纪的气息。

What I want to talk to you about today is the difference between gifts and choices. Cleverness is a gift， kindness is a choice. Gifts are easy -- they're given after all. Choices can be hard. You can seduce yourself with your gifts if you're not careful， and if you do， it'll probably be to the detriment of your choices.

文学的力量在于它能够让我们看到那些被遮蔽的真相。

The world is a book, and those who do not travel read only one page.

农民是我们经济中唯一必须以零售价购买一切，以批发价出售一切，并支付双向运费的人。

能源创新必须与责任相平衡——进步不能以牺牲地球为代价。