1 Corinthians 14:14
For if I pray in a tongue, my spirit prays but my mind is unproductive.
1 Corinthians 14:2
For the one who speaks in a tongue does not speak to people but to God, because no one understands, but by the Spirit he speaks mysteries.
1 Corinthians 14:15-16
{Therefore what should I do}? I will pray with my spirit, but I will also pray with my mind. I will sing praise with my spirit, but I will also sing praise with my mind.
1 Corinthians 14:19
but in the church I prefer to speak five words with my mind, in order that I may instruct other [people], than ten thousand words in a tongue.
Treasury of Scripture Knowledge
Summary
For if I pray in an unknown tongue, my spirit prayeth, but my understanding is unfruitful.
My spirit
Bible References
My spirit
1 Corinthians 14:2
For the one who speaks in a tongue does not speak to people but to God, because no one understands, but by the Spirit he speaks mysteries.