"The truth is rarely pure and never simple."

The writer's duty is to tell the truth, even when it is uncomfortable.

The past is never dead. It's not even past.

True wisdom is in knowing one's own ignorance.

城市是人类最伟大的发明。

Profitability and environmental responsibility must go hand in hand—there is no other way.

物理学和数学之间的界限并不像我们想象的那么清晰。