Isaiah 28:10–12 (ESV)
10For it is precept upon precept, precept upon precept, line upon line, line upon line, here a little, there a little.”
11For by people of strange lips and with a foreign tongue the Lord will speak to this people,
12to whom he has said, “This is rest; give rest to the weary; and this is repose”; yet they would not hear.
Mark 16:17 (ESV)
17And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;
Acts 2:4 (ESV)
4And they were all filled with the Holy Spirit and began to speak in other tongues as the Spirit gave them utterance.
Acts 10:46 (ESV)
46For they were hearing them speaking in tongues and extolling God. Then Peter declared,
Acts 19:6 (ESV)
6And when Paul had laid his hands on them, the Holy Spirit came on them, and they began speaking in tongues and prophesying.
1 Corinthians 12:28 (ESV)
28And God has appointed in the church first apostles, second prophets, third teachers, then miracles, then gifts of healing, helping, administrating, and various kinds of tongues.
1 Corinthians 13:1 (ESV)
1If I speak in the tongues of men and of angels, but have not love, I am a noisy gong or a clanging cymbal.
1 Corinthians 14:18 (ESV)
18I thank God that I speak in tongues more than all of you.
1 Corinthians 14:39 (ESV)
39So, my brothers, earnestly desire to prophesy, and do not forbid speaking in tongues.
1 Corinthians 14:14–15 (ESV)
14For if I pray in a tongue, my spirit prays but my mind is unfruitful.
15What am I to do? I will pray with my spirit, but I will pray with my mind also; I will sing praise with my spirit, but I will sing with my mind also.
1 Corinthians 14:16 (ESV)
16Otherwise, if you give thanks with your spirit, how can anyone in the position of an outsider say “Amen” to your thanksgiving when he does not know what you are saying?
1 Corinthians 14:4 (ESV)
4The one who speaks in a tongue builds up himself, but the one who prophesies builds up the church.
1 Corinthians 12:10 (ESV)
10to another the working of miracles, to another prophecy, to another the ability to distinguish between spirits, to another various kinds of tongues, to another the interpretation of tongues.
Mark 16:17 (ESV)
17And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;
Jude 20 (ESV)
20But you, beloved, building yourselves up in your most holy faith and praying in the Holy Spirit,