在数学中,提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
自由不仅仅意味着摆脱自身的枷锁,还意味着以一种尊重并增加他人自由的方式生活。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.
预测未来的最好方式就是创造未来。
The past is always with us, for it feeds the present.