Action & Reaction.
Wherever there is an Action there is a Re-action,
This is a Universal Law, what goes up must come down.
Free Will is a Law of the Universal as well. (Will U or Won't U.)
What you sow, You will reap.
I like this one also.
This is the one I try to use most of the time. lol.
Red light Stop:
Yellow Light: Take it easy, Take a few Deep breaths:
Green Light: Go on your way. Find your safe place within.