Who said "The key to happiness is just deciding to be happy."?

This quote is attributed to Kimmy Schmidt.

The key to happiness is just deciding to be happy. - Kimmy Schmidt

"The key to happiness is just deciding to be happy."

Kimmy Schmidt Happiness

"Kimmy Schmidt is not afraid of anything!"

"I'm going to start a new life in New York City!"

"Every day above ground is a good day."

"I'm very resilient. I have a good attitude."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."