Understanding the limits of computation is as important as expanding its capabilities.

"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."

穷人不是需要解决的问题，而是需要拥抱的机会。

"We are all in the gutter, but some of us are looking at the stars."

心是指南针，但并不总指向北方。