The Serenity Prayer - “God grant me the serenity to accept the things I cannot change, Courage to change the things I can, and Wisdom to know the difference.”
I don’t consider myself very religious, but this has always stuck with me.
I had a coworker who was constantly buying new phones. I didn’t know why until I realized that he didn’t use a case. He didn’t like how the phones looked with a case on them.