As the eagle was killed by the arrow winged with his own feather, so the hand of the world is wounded by its own skill.

As the eagle was killed by the arrow winged with his own feather, so the hand of the world is wounded by its own skill.

鹰被带着自己羽毛的箭射死，世界的手也被自己的技能所伤。

-- Helen Keller 海伦·凯勒