The conjectures of the Langlands program are a challenge to the next generation of mathematicians.

Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men， and， through them， the events of history.

I'm not a star, I'm a galaxy.

"I'm a beast, I'm a dog, I'm a motherfucking problem."

科学的挑战不仅在于找到答案，还要理解其更深层次的含义。