During World War Two the American submarine Tang fired her last eight torpedoes against a Japanese convoy off the coast of China. The first seven were on target, but the eighth suddenly deviated and boomeranged back unseen to strike the crew that launched it. The USS Tang received a direct hit and sank almost instantly. It has gone down in history as the ship that torpedoed itself.
In the same way we’re also capable, while intent on attacking others, of doing irreparable damage to ourselves. The missiles of anger and bitterness that we launch can and do return to hurt us. Modern medicine has documented proof that emotions such as bitterness and anger cause headaches, backaches, allergic disorders, ulcers, high blood pressure, and heart attacks. Unresolved anger can be a poison that kills; but it’s forgiveness that brings healing