“The full use of your powers along lines of excellence.”
John F. Kennedy (when asked to define happiness)

“The greatest part of our happiness depends on our dispositions, not our circumstances.”
Martha Washinton

“What do you take me for, an idiot?”
General Charles de Gaulle (when a journalist asked him if he was happy.)

“To be upset over what you don’t have is to waste what you do have.”
Ken S. Keyes, Jr.

“The secret of happiness is to admire without desiring.”
F.H. Bradley

“Most people are about as happy as they make up their minds to be.”
Abraham Lincoln

“Happiness is not so much in having as sharing. We make a living by what we get, but we make a life by what we give.”
Norman MacEwan

“Talk happiness. The world is sad enough without your woe.”
Orison Sweet Marden

“The road to happiness lies in two simple principles: find what it is that interests you and that you can do well, and when you find it, put your whole soul into it; every bit of energy and ambition and natural ability you have.”
John D. Rockefeller III

“To be without some of the things you want is an indispensable part of happiness.”
Betrand Russell

Happiness is not something you postpone for the future; it is something you design for the present.
Jim Rohn

There is only one happiness in this life, to love and be loved.
George Sand

Be happy for this moment. This moment is your life.
Omar Khayyam

Happiness doesn't depend on any external conditions, it is governed by our mental attitude.
Dale Carnegie