Luke.12.46  the master of that servant will come on a day when he does not expect him and at an hour he does not know, and will punish him, and put him with the unfaithful.
Rom.3.3  What if some were unfaithful? Does their faithlessness nullify the faithfulness of God?
Jas.12.4  Unfaithful creatures! Do you not know that friendship with the world is enmity with God? Therefore whoever wishes to be a friend of the world makes himself an enemy of God.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.