If you are wrong, admit it quickly and emphatically.
Happiness is largely an attitude of mind, of viewing life from the right angle.
Our mental attitude is the x factor that determines our fate.
If half a century of living has taught me anything at all, it has taught me that nothing can bring you peace but yourself.
Success is getting what you want. Happiness is wanting what you get.
...Be grateful for what you have to be thankful for instead of complaining about the little things that annoy you.