"The past is a foreign country; they do things differently there."

For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.

The best thing about a boolean is even if you are wrong, you are only off by a bit.

译文：假如让青春年华虚度，到年老时只能悔恨不已。赏析：人生短暂，年华易逝，我们要珍惜每天的日子，不要蹉跎岁月。

Customer satisfaction is worthless. Customer loyalty is priceless.

I think if you do something and it turns out pretty good, then you should go do something else wonderful, not dwell on it for too long. Just figure out what's next.

You can't go back and change the beginning, but you can start where you are and change the ending.