The pace of change demands that we unlearn as much as we learn.
变化的速度要求我们忘记的和学习的一样多。
我不是英雄,我是幸存者。
Great things take time.
小的迷惑会改变人的方向,大的迷惑会改变人的本性。
The only limit to our realization of tomorrow is our doubts of today.
Experience is simply the name we give our mistakes.
Mathematics is a creative endeavor, just like art or music.