In mathematics, the art of proposing a question must be held of higher value than solving it.
在数学中，提出问题的艺术必须比解决问题更有价值。
真相并不总是美丽，但追求真相是。
最重要的是享受生活 - 快乐 - 这才是最重要的。
Success is not the key to happiness. Happiness is the key to success.
The trust of the innocent is the liar's most useful tool.
我们与孩子交谈的方式会成为他们内心的声音。