"Happiness is how much you like the life you're living." - Ruut Veerhoven

"Success is not the key to happiness.  Happiness is the key to success.
 If you love what you are doing, you will be successful." - Albert Schweitzer

"Pleasure is the happiness of madmen, while happiness
 is the pleasure of sages." - Jules Barbey d' Aurevilly

"Happiness is when what you think, what you say, and what you do
 are in harmony." - Mahatma Gandhi

"People are as happy as they make up their minds to be."
 - Abraham Lincoln

"Think of all the beauty still left around you
 and be happy." - Anne Frank

"The first thing to learn in intercourse with others is
 noninterference with their own peculiar ways of being
 happy, provided those ways do not assume to interfere
 by violence with ours." - Henry James

"Happiness is not the belief that we don't need to change;
 it is the realization that we can." - Shawn Achor