while two dogs are fighting for bone, a third (one|dog) runs away with it

https://tts.langeek.co/read?text=d2hpbGUgdHdvIGRvZ3MgYXJlIGZpZ2h0aW5nIGZvciBib25lLCBhIHRoaXJkIG9uZSBydW5zIGF3YXkgd2l0aCBpdA&hash=3e238b72a4098663a85afa53ce97aea54b5c9190&lang=en&cache-only=0&driver=googletts

Master English proverbs regarding tactlessness and inconsideration, like "tongue is not steel yet it cuts" and "a cat in gloves catches no mice".