The pursuit of mathematical truth is a pursuit of beauty, elegance, and simplicity.
历史不仅仅是发生了什么,还包括人们对此的想法和感受。
如果易用性是唯一的要求,那么每个人都会还在骑三轮车。
Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.