The development of formal systems has revolutionized our understanding of mathematics.
You cannot step into the same river twice.
一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。
"The world is full of stories, and every story is a world in itself."
The game of history is usually played by the best and the worst over the heads of the majority in the middle.