数学是理性的音乐。
Think wrongly, if you please, but in all cases think for yourself.
Every mathematical problem has a solution; the challenge is finding it.
Never underestimate the power of a simple idea.
计算机科学使计算机感到尴尬。
世界上主要有两类人。第一类人有所成就,第二类人号称自己有所成就。第一类人不如第二类人那么多。
道德规范在我们这个行业是不可协商的。