We cannot deny the facts of nature, but we should certainly try to improve on them.
You can tell a lot about a fellow's character by his way of eating jellybeans.
Do not be awe struck by other people and try to copy them. Nobody can be you as efficiently as you can.
You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.
Well done is better than well said.
A tactical retreat is not a bad response to a surprise assault, you know. First you survive. Then you choose your own ground. Then you counterattack.
Whenever people agree with me I always feel I must be wrong.