一个人的记忆里可能只有一百个清晰的日子，而他已经活过了数千天。
The study of mind is the study of life's coping mechanisms.
I like the night. Without the dark, we'd never see the stars.
Problem solving is the central activity of intelligent systems.
空白页是建筑中最可怕也最令人兴奋的时刻。
概率论归根结底不过是常识的微积分化。