Kehillah in Corinth I 14:16-18

Orthodox Jewish Bible

¹⁶ Otherwise, if you make a bracha [in leshonot] with your neshamah, how will the am ha’aretz, who have no idea what you are saying, answer the "Omein"? [DEVARIM 27:15:26; DIVREY HAYAMIM ALEF 16:36; NECHEMYAH 8:6; TEHILLIM 106:48]

¹⁷ For indeed you make the bracha well enough, but the other is not being edified.

¹⁸ Modeh Ani Hashem that I speak in leshonot more than all of you,