Complain not one against another, brethren, that ye be not judged. Behold, the judge stands before the door.
Jesus therefore answered and said to them, Murmur not among yourselves.
1 Corinthians 10:10
Neither murmur ye, as some of them murmured, and perished by the destroyer.
1 Peter 4:9
hospitable one to another, without murmuring;
And they that are of erring spirit shall know understanding, and the disobedient shall learn doctrine.
And Jehovah said to Moses, Bring Aaron's staff again before the testimony, to be kept as a token for the sons of rebellion, that thou mayest put an end to their murmurings before me, that they may not die.