"I think the best way to get respect is to earn it."

跨行业合作是解决全球能源挑战的关键。

世界对于思考者是喜剧，对于感受者是悲剧。

爱是唯一当你给予时会增长的东西。

"When I write, I aim in my mind not toward New York but toward a vague spot a little to the east of Kansas."

历史学家必须兼具诗人和哲学家的特质。