The advantage of a ridiculously ambitious goal is that it sets the bar very high so even in failure it may be a success measured by the ordinary.

北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。

人生应该树立目标，否则你的精力会白白浪费。

We need to understand the brain to build better AI.