JPS: And if thou say in thy heart: 'How shall we know the word which the LORD hath not spoken?'
ASV: And if thou say in thy heart, How shall we know the word which Jehovah hath not spoken?
BBE: And if you say in your hearts, How are we to be certain that the word does not come from the Lord?
DBY: And if thou say in thy heart, How shall we know the word that Jehovah hath not spoken?
KJV: And if thou say in thine heart, How shall we know the word which the LORD hath not spoken?
WBS: And if thou shalt say in thy heart, How shall we know the word which the LORD hath not spoken?
WEB: If you say in your heart, "How shall we know the word which Yahweh has not spoken?"
YLT: And when thou sayest in thy heart, How do we know the word which Jehovah hath not spoken? --