改变世界不需要魔法，我们体内已经蕴藏了所有力量。
The world is a better place with your art in it.
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten. And the living, too, will be forgotten.
好的研究在于提出正确的问题，而不仅仅是应用花哨的方法。