历史学家行走在事实与想象的钢丝上。
The historian walks a tightrope between fact and imagination.
The mind is nature's instrument for dealing with reality.
Sustainability isn't a trend; it's a responsibility.
I have always been fascinated by the darker side of human nature.
You don't have to be pretty like her. You can be pretty like you.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.