Success is the maximum utilization of the ability that you have.
It makes no difference where you go, there you are. And it makes no difference what you have, there's always more to want. Until you are happy with who you are, you will never be happy because of what you have.
Send out a cheerful, positive greeting, and most of the time you will get back a cheerful, positive greeting. It's also true that if you send out a negative greeting, you will, in most cases, get back a negative greeting.