Answer:
For Christians, doves of peace, Angels, and the Serenity prayer all represent inner peace and bliss.
see also - http://www.e-Serenity.com/  

Answer

A lake can represent serenity.
Contributor: Michele
First answer by Joe Callaghan. Last edit by Michele Sadler. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 29 [recommend question].