A RAVEN WILL NOT PECK ANOTHER RAVEN'S EYE

* A raven won't peck another raven's eye * A wolf will not eat wolf * A wolf won't eat wolf * raven will not peck another raven's eye, A * raven won't peck another raven's eye, A * wolf will not eat wolf, A * wolf won't eat wolf, A Ворон ворону глаз не выклюет; Волк волка не съест; ср.: Рука руку моет