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.
Zig ZiglarThe great majority of people are “wandering generalities” rather than “meaningful specifics”. The fact is that you can't bit a target that you can't see. If you don't know where you are going, you will probably end up somewhere else. You have to have goals.
Zig Ziglar