Deuteronomy 18:13 in the King James Version
Thou shalt be perfect with the LORD thy God.
Context
12 For whoever does these things is an abomination to the LORD. Because of these abominations, the LORD your God drives them out from before you.
13 You shall be blameless with the LORD your God.
14 For these nations that you shall dispossess listen to those who practice sorcery and to diviners; but as for you, the LORD your God has not allowed you so to do.