"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."

最好的故事是那些让你思考，让你在读完很久之后仍然难以忘怀的故事。

"The best stories are the ones that stay with you long after you've turned the last page."

不要害怕失败，要害怕不去尝试。