The best literature is that which makes us uncomfortable, which disturbs our sleep.
教师的爱是滴滴甘露，即使枯萎的心灵也能苏醒；教师的爱是融融春风，即使冰冻了的感情也会消融。
The web is for everyone and collectively we hold the power to change it.
The best way to predict the future is to create it.
"Reading is time travel, and books are the vehicles."
I do not fear computers. I fear lack of them.
"The temporary is sometimes more powerful than the permanent."
Natural experiments can provide valuable insights into economic questions.