"True happiness... is not attained through self-gratification, but through fidelity to a worthy purpose."
- Helen Keller
"A great obstacle to happiness is to expect too much happiness."
- Bernard de Fontenelle
"Don't cry because it's over, smile because it happened."
- Dr. Seuss
"Love is that condition in which the happiness of another person is essential to your own."
- Robert A. Heinlein
"Doing what you like is freedom. Liking what you do is happiness."
- Frank Tyger
"Count your age by friends, not years. Count your life by smiles, not tears"
- John Lennon