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最难的事情是简单。
The most difficult thing is to be simple.
The deepest theorems often have the simplest proofs - if you look at them from the right angle.
The greatest thing about tomorrow is, I will be better than I am today.
在计算复杂性中,我们不仅仅是在处理我们能计算的极限,也是在处理我们能证明的极限。
Even if I fall down 100 times, I will stand up 101 times.