New Revised Standard Version
For those who speak in a tongue do not speak to other people but to God; for nobody understands them, since they are speaking mysteries in the Spirit.

Contemporary English Version
If you speak languages that others don't know, God will understand what you are saying, though no one else will know what you mean. You will be talking about mysteries that only the Spirit understands.

New American Bible
For one who speaks in a tongue does not speak to human beings but to God, for no one listens; he utters mysteries in spirit.

Douay-Rheims Bible
For he that speaketh in a tongue speaketh not unto men, but unto God: for no man heareth. Yet by the Spirit he speaketh mysteries.

For he that speaketh in a tongue speaketh not unto men, but unto God: for no man heareth. Yet by the Spirit he speaketh mysteries.

he that.

1 Corinthians 14:9-11,16,21,22 So likewise you, except you utter by the tongue plain speech, how shall it be known what is said? For you shall be speaking into the air. . . .

Genesis 11:7 Come ye, therefore, let us go down, and there confound their tongue, that they may not understand one another's speech.

Genesis 42:23 And they knew not that Joseph understood, because he spoke to them by an interpreter.

Deuteronomy 28:49 The Lord will bring upon thee a nation from afar, and from the uttermost ends of the earth, like an eagle that flyeth swiftly, whose tongue thou canst not understand,

2 Kings 18:26 Then Eliacim, the son of Helcias, and Sobna, and Joahe, said to Rabsaces: We pray thee, speak to us, thy servants, in Syriac: for we understand that tongue: and speak not to us in the Jews' language, in the hearing of the people that are upon the wall.

Acts 2:4-11 And they were all filled with the Holy Ghost: and they began to speak with divers tongues, according as the Holy Ghost gave them to speak. . . .

Acts 10:46 For they heard them speaking with tongues and magnifying God.

Acts 19:6 And when Paul had imposed his hands on them, the Holy Ghost came upon them: and they spoke with tongues and prophesied.

understandeth.

Acts 22:9 And they that were with me saw indeed the light: but they heard not the voice of him that spoke with me.

howbeit.

1 Corinthians 2:7,10 But we speak the wisdom of God in a mystery, a wisdom which is hidden, which God ordained before the world, unto our glory: . . .

1 Corinthians 13:2 And if I should have prophecy and should know all mysteries and all knowledge, and if I should have all faith, so that I could remove mountains, and have not charity, I am nothing.

1 Corinthians 15:51 Behold, I tell you a mystery. We shall all indeed rise again: but we shall not all be changed.

Psalm 49:3,4 My mouth shall speak wisdom: and the meditation of my heart understanding. . . .

Psalm 78:2 I will open my mouth in parables: I will utter propositions from the beginning.

Matthew 13:11 Who answered and said to them: Because to you it is given to know the mysteries of the kingdom of heaven: but to them it is not given.

Mark 4:11 And he said to them: To you it is given to know the mystery of the kingdom of God: but to them that are without, all things are done in parables:

Romans 16:25 Now to him that is able to establish you, according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery which was kept secret from eternity;

Ephesians 3:3-9 How that, according to revelation, the mystery has been made known to me, as I have written above in a few words: . . .

Ephesians 6:19 And for me, that speech may be given me, that I may open my mouth with confidence, to make known the mystery of the gospel,

Colossians 1:26,27 The mystery which hath been hidden from ages and generations, but now is manifested to his saints, . . .

Colossians 2:2 That their hearts may be comforted, being instructed in charity and unto all riches of fulness of understanding, unto the knowledge of the mystery of God the Father and of Christ Jesus:

1 Timothy 3:9,16 Holding the mystery of faith in a pure conscience. . . .

Revelation 10:7 But in the days of the voice of the seventh angel, when he shall begin to sound the trumpet, the mystery of God shall be finished, as he hath declared by his servants the prophets.