The reason that so many fail to find happiness is that they fail to find gratitude. — Rasheed Ogunlaru
My mum brought me up to think that personal happiness is more important than your family. — Gail Porter
Happiness is less regulated by external circumstances than inward enjoyment. Whoever is — Norm MacDonald
Happiness is not the natural state of mankind, and is never achieved from the outside in. — Terry Pratchett