It is written in the Law: “By strange tongues and foreign lips I will speak to this people, but even then they will not listen to Me, says the Lord.”
Textus Receptus (TR) - 1 Corinthians 14:21 >Ἐν τῷ νόμῳ γέγραπται ὅτι Ἐν ἑτερογλώσσοις καὶ ἐν χείλεσιν ἑτέροις λαλήσω τῷ λαῷ τούτῳ, καὶ οὐδ᾿ οὕτως εἰσακούσονταί μου, λέγει Κύριος.