The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
The arithmetic of modular forms is a key to understanding the deeper mysteries of number theory.
The world is a book, and those who do not travel read only one page.
语言是一种皮肤：我用我的语言摩擦他人。就好像我有词语代替手指，或者手指在词语的尖端。
The sweetest fruits often come from the hardest seasons.