The development of computational complexity theory has shown us that not all problems are created equal.
The greatest use of life is to spend it for something that will outlast it.
自信是关键，但你必须用实力来支撑它。
一个幸福晚年的秘决不是别的，而是与孤寂签订一个体面的协定。
The best mathematics is not just rigorous; it is also elegant.
A Christian is a perfectly free lord of all, subject to none. A Christian is a perfectly dutiful servant of all, subject to all.
Data is the new oil, but how to refine it is the key.