The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
质数就是当你把所有模式都去掉后剩下的东西。我认为质数就像生活。它们非常合乎逻辑,但你永远无法弄清楚规则,即使你花所有时间思考它们。