回顾21岁刚刚毕业时的自己，对于今天42岁的我来说，是一个稍微不太舒服的经历。可以说，我人生的前一部分，一直挣扎在自己的雄心和身边的人对我的期望之间。
"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."
"Always assume there's a crisis around the corner."
