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。
Don‘t waste your time on a man/woman, who isn‘t willing to waste their time on you。
The best way to find out if you can trust somebody is to trust them.
In this world, nothing makes you grow more than loneliness.