Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.

The secret of living is to own a convertible and a lake...If the sun is shining, you can rid around in your convertible and be happy...If it starts to rain, it won't spoil your day because you can just say, 'Oh, well, the rain will fill up my lake!'"”

"Un libro es una conversación íntima entre el autor y el lector a través del tiempo."

There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.

数学的研究是所有智力和精神进步不可或缺的基础。

To understand a forest, you must listen to it—not just with your ears, but with your respect.

世界文明的命运取决于为全人类提供体面的生活水平。