I want a singleness of eye, a purity of intention, a central core to my life that will enable me to carry out these obligations and activities as well as I can. I want, in fact — to borrow from the languages of the saints — to live "in grace" as much of the time as possible.
Anger destroys all ability to be at peace with yourself and with others. If you harm me, it is you who lose: you lose your peace.