"You can't be happy unless you're unhappy sometimes. "
- Lauren Oliver, Delirium
"Happiness is a choice. You can choose to be happy. There's going to be stress in life, but it's your choice whether you let it affect you or not."
- Valerie Bertinelli
"The happiness of your life depends upon the quality of your thoughts."
- Marcus Aurelius, Meditations
"Happy girls are the prettiest."
- Audrey Hepburn
"The only thing that holds true happiness is that moment when you're in it. Nothing can be controlled."
- Eliza Doolittle
"Cry. Forgive. Learn. Move on. Let your tears water the seeds of your future happiness."
- Steve Maraboli