气候变化是我们这个时代最大的挑战之一，我们必须立即采取行动。
每一处风景都是一种心境。
AdS/CFT对应关系是对现实本质的深刻洞察，它弥合了量子力学和广义相对论之间的鸿沟。
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.
A good book should be an axe to break the frozen sea within us.