This plug-in warmer from Elanze Designs has the Serenity Prayer on the front: "God grant me the Serenity to accept the things I cannot change, Courage to change the things I can, and Wisdom to know the difference." Elanze Designs warmers are a safe alternative to burning candles: you get the pleasant aroma without the risk of open flames.
Ceramic plug-in candle warmer
No flames, smoke, or soot residue
Works with candle crumbles, wax melts, and essential oils