"You can't be happy unless you're unhappy sometimes. "
- Lauren Oliver, Delirium
"If you want to be happy, set a goal that commands your thoughts, liberates your energy, and inspires your hopes."
- Andrew Carnegie
"For every minute you are angry you lose sixty seconds of happiness. ."
- Anonymous
"If you want to be happy, do not dwell in the past, do not worry about the future, focus on living fully in the present."
- Roy T. Bennett, The Light in the Heart
"Whoever is happy will make others happy."
- Anne Frank
"Happy girls are the prettiest."
- Audrey Hepburn