The more you know, the more you realize you don't know.
你知道的越多，就越意识到自己不知道的越多。
The best way to be successful is to help others succeed.
The best leaders are those who serve others.
——辛格1978年诺贝尔文学奖获奖演说
瀑布歌唱道：我得到自由时便有了歌声了。
Human cognition is best understood as a hierarchy of information processing levels.
