Serenity may refer to:
"It is always in the midst, in the epicenter, of your troubles that you find serenity."
"The closest state of mind to happiness is not loving, but serenity."
"If you find serenity and happiness, some may be jealous. Be happy anyway."
"Enthusiasm is a supernatural serenity."
"Do your work, then step back. The only path to serenity."