和平不是免费的，需要不断努力维护。

The pain of discipline is better than the pain of regret.

解析：良知是人天生具有的道德判断力，致良知是修身治国平天下的根本。

Language is the only tool we have to make sense of the world, and yet it is always inadequate.

好问题胜过简单的答案。

"We are not seven with you. We are one."

The best way to optimize a program is to optimize it.

Productive thinking is characterized by the sudden appearance of the solution as an insight.

Innovation is not just about creating something new; it's about improving what already exists.

心灵研究必须基于生物学。