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We are all haunted by something, whether we admit it or not.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
"The only person you should try to be better than is the person you were yesterday."
Sometimes the simplest ideas make the best stories.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
In a world of fast change, the values of integrity and quality remain timeless.
仅靠教育不足以让人们摆脱贫困;我们需要解决更广泛的系统问题。
The true value of a tree isn't in its board feet, but in its roots and reach.