The world is full of magical things patiently waiting for our wits to grow sharper。
世界充满了神奇的东西，它们在耐心地等待我们变得更有智慧。
你不能给任何事情设限。梦想越多，走得越远。
Collaboration is key—no great business succeeds alone.
General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
只有在梦想中，人才能真正自由，从来如此也将永远如此。
Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it.
教授数学是为了激励下一代的思考者和问题解决者。
历史的终结将是一个非常悲伤的时刻。为纯粹抽象目标而奋斗、愿意冒生命危险的斗争，以及激发勇气、想象力、理想主义的全球意识形态斗争，将被经济计算、无休止的技术问题解决、环境关注和复杂消费需求的满足所取代。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
当我看着这个世界时，我是悲观的，但当我看着人们时，我是乐观的。