Don't grumble, brothers, against one another, so that you won't be judged. Behold, the judge stands at the door.
Therefore Jesus answered them, "Don't murmur among yourselves.
1 Corinthians 10:10
Neither grumble, as some of them also grumbled, and perished by the destroyer.
1 Peter 4:9
Be hospitable to one another without grumbling.
They also who err in spirit will come to understanding, and those who grumble will receive instruction."
Yahweh said to Moses, "Put back the rod of Aaron before the testimony, to be kept for a token against the children of rebellion; that you may make an end of their murmurings against me, that they not die."