记忆即身份…你即你所为；你所为存于记忆；你所记决定你是谁。
Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.
The only person you should try to be better than is the person you were yesterday.
数学语言是通用的；它超越了所有文化障碍。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
The people who are crazy enough to think they can change the world are the ones who do.