What do you think about barking dogs?

Barking dogs seldom bite. (Proverb) . - A dog seldom bites if it barks a lot, It is a clever proverb. And I believe in it. ___________- My God, But do dogs know that? - You see, my Rex likes barking, And I know he has never bitten anyone! - Perhaps he doesn’t like biting, But last night he bit a man, I was that one.