历史首先是遗产的创造和记录；进步是其不断增加的丰富性、保存、传递和使用。
History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
We shouldn't teach great books; we should teach a love of reading.
Every ton of coal we extract must create maximum value with minimum environmental impact.
I’m not afraid of what people say about me. I’m afraid of what I might say back.
I think the best way to tell a story is to show it, not tell it.
在广大的世界里，众生的数量无法计算。
数学的真正力量在于它能够揭示支配宇宙的隐藏模式和结构。
每个故事都有潜力去激励、教育和娱乐。