The most dangerous thought you can have as a creative person is to think you know what you're doing.

数学不是关于数字、方程、计算或算法的：它是关于理解的。

对于一个将一生奉献给某项事业的工程师来说，世界上最糟糕的事情莫过于有人剽窃它并署上自己的名字。

真相是，每个人都会伤害你。你只需找到值得你为之受苦的人。

I must confess that I never could see any beauty in her. Her face is too thin; her complexion has no brilliancy; and her features are not at all handsome. Her nose wants character; there is nothing marked in its lines. Her teeth are tolerable, but not out of the common way; and as for her eyes, which have sometimes been called so fine, I could never see anything extraordinary in them.