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最大的危险是不去冒险。
The most dangerous risk of all is not taking one.
The world is a great mountain, and we are the climbers.
I don’t believe in giving up.
Art is a way of making sense of the world.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
可持续发展不再是可选项,而是我们对后代的责任。