“God grant me the serenity to accept the things we cannot change, the courage to change the things we can, and the wisdom to know the difference.”
“We treasure our “Serenity Prayer” because it brings a new light to us that we can dissipate our oldtime and nearly fatal habit of fooling ourselves.
“In the radiance of this prayer we see that defeat, rightly accepted, need be no disaster. We now know that we do not have to run away, nor ought we again try to overcome adversity by still another bulldozing power drive that can only push up obstacles before us faster than they can be taken down.”
-Bill W., Grapevine, March 1962
Here is a talk on Acceptance.