目的赋予心理活动意义。

A book should feel like a friend to a child—comforting, exciting, and full of surprises.

技术给了我们更聪明而不是更辛苦地捕鱼的工具。

"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."

想想看，人类愚蠢到会去小心地避免那些可能使他们造成伤害的臭鼬或是狐狸，却不担心狮子对他们安全造成的威胁。

如果你不犯错，说明你解决的问题还不够难。