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。
避免痛苦的唯一方法就是不要有足够的闲暇去思考你是否快乐。
The key to sustainable success is balancing profit with purpose.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
Life is not fair, get used to it.