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.

The future is not fixed; it is something we can shape with our knowledge and actions.

广义相对论已经通过了我们所有的测试，甚至在超大质量黑洞附近也是如此。

Music and letters are the two wings of the same spirit.

民主……在其存在期间比贵族制或君主制更血腥。记住，民主从未长久。它很快就会浪费、耗尽并谋杀自己。从来没有一个民主国家不自杀。

预测未来的最好方式就是创造未来。