The only limit to our realization of tomorrow will be our doubts of today.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Your attitude, not your aptitude, will determine your altitude.
【讲解】:有了过错而不改正,这才真叫过错呢。
The only thing that overcomes hard luck is hard work.
每个人都是一个月亮,都有从不向人展示的阴暗面。