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使用程序证明四色定理不会改变数学-它只是表明该定理是一个世纪的挑战,对数学可能并不重要。
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 probably not important to mathematics.
I’m not perfect, but I’m always me.
翻译:既了解敌人,又了解自己,每次作战都不会有危险。
Sustainable agriculture is not a slogan but a responsibility—we must preserve green mountains and clear waters for future generations.
我们花了很多时间教领导者该做什么,却没有花足够的时间教他们该停止什么。