"Edward," she said softly. "Learn this from me. Holding anger is a poison. It eats you from inside. We think that hating is a weapon that attacks the person who harmed us. But hatred is a curved blade. And the harm we do, we do to ourselves.
~ from THE FIVE PEOPLE YOU MEET IN HEAVEN by Mitch Albom
It really boils down to this: that all life is interrelated. We are all caught in an inescapable network of mutuality, tied to a single garment of destiny. Whatever affects one directly, affects all indirectly.