If I have seen further it is by standing on the shoulders of Giants.
没有正义的自由是暴政。
The essence of mathematics lies in its freedom.
"Every book is a new adventure, a new world to explore."
解释：只有放弃一些事情不做，才能在别的一些事情上做出成绩。
The most important thing in communication is hearing what isn't said.