Every mathematical problem has a solution; you just need to find the right perspective.

In mathematics, the art of proposing a question must be held of higher value than solving it.

如果你不拥抱新事物，你就无法生存。

译文：教育小孩子应当严厉对待，严厉的态度能平定孩子心中的浮躁之气；对待小人应当用敬待的态度，敬待的态度可以感化其心中的邪气，即使感化不了，也可使自己免于被其所害。

最难原谅的人永远是自己。