如果你放弃了，就什么都没有了。但如果不放弃，就永远有机会。
If you don't give up, you still have a chance. Giving up is the greatest failure.
Biography is the art of making the dead live again.
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。
我们能做的最佳投资就是为后代的健康而努力。
It is when we act freely, for the sake of the action itself rather than for ulterior motives, that we learn to become more than what we were.
我喜欢压力。我喜欢重要时刻。我喜欢那种感觉。
