The development of quantum mechanics early in the twentieth century obliged physicists to change radically the concepts they used to describe the world.
Mental violence has no potency and injures only the person whose thoughts are violent. It is otherwise with mental non-violence. It has potency which the world does not yet know.
Nature is one with rapine, a harm no preacher can heal; The Mayfly is torn by the swallow, the sparrow speared by the shrike, And the whole little wood where I sit is a world of plunder and prey.