We must challenge the status quo to find better ways of doing things.

The people who are crazy enough to think they can change the world are the ones who do.

后世的君主却不是这样，认为天下的利害大权都出于自己。

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

我不再是个孩子了，我是个年轻人。