对复杂系统的研究告诉我们，简单的规则可以产生令人难以置信的复杂行为。
The problem with words is that you never know whose mouths they have been in.
遥远的姑射山上，有神人居住。肌肤像冰雪白皙，姿态柔美如同处女，不食人间五谷，呼吸清风，饮用甘露，乘着云气，驾驭飞龙，遨游在四海之外。
True leadership means making tough decisions today for a better tomorrow.
It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.
"The interplay between theory and practice in computer science is what drives the field forward."