A Buddhist story is that a man came shouting angrily at Buddha, who remained unaffected by him. When questioned by others as to how he remained calm and unaffected, Buddha answered with a question. “If someone gives you a gift and you choose not to receive it, to whom then does the gift belong?” Of course it stays with the giver.
Bronnie Ware, The Top Five Regrets of the Dying: A Life Transformed by the Dearly Departing
anger, calmness