1 Corinthians 14:14-16

New Revised Standard Version, Anglicised

¹⁴ For if I pray in a tongue, my spirit prays but my mind is unproductive. ¹⁵ What should I do then? I will pray with the spirit, but I will pray with the mind also; I will sing praise with the spirit, but I will sing praise with the mind also. ¹⁶ Otherwise, if you say a blessing with the spirit, how can anyone in the position of an outsider say the ‘Amen’ to your thanksgiving, since the outsider does not know what you are saying?