盈利和责任必须齐头并进，否则两者都不会持久。

Enduring peace cannot be bought at the cost of other people's freedom.

Every cut should have a purpose, a reason to be there.

The study of algorithms is the study of methods for solving problems on a computer.

"The truth is, we all have our own prisons, and the key is always within reach."

唯一真正的智慧是知道你一无所知。