Dictatorships breed bad literature because they breed fear and conformity.
The dead don’t rest if the living don’t let them.
The past is always tense, the future perfect.
唯一的限制是你给自己设下的限制。
优秀的数学家应该既严谨又富有想象力。
Don’t be afraid to fail, be afraid not to try.
No one had ever had such a friend, so affectionate,so loyal and so skillful.