我不是梦想家,我是实干家。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
To love is to see the beauty in imperfection.
The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.
神圣的观念在任何社会中都是最保守的观念之一,因为它试图将其他观念——不确定性、进步、变化——变成罪行。