Anger and resentment do no reside within YOU. You give them permission to rent a room in your soul. They are the result of power that you endow someone else with. You can choose to do that or not. Not instantaneously, mind you. It is a journey. But it is a destination that exists.
Eleanor Roosevelt's profound statement "No one can make you feel inferior without your permission," is more sweeping than she intended. How many words can you substitute for "inferior" while retaining the validity of her insight?
warren