Acts 2:4-11
and they were all filled with the holy Spirit and began to say in foreign languages whatever the Spirit prompted them to utter.
1 Corinthians 14:2-11
For anyone who speaks ecstatically is speaking not to men but to God, for no one can understand him, though he is uttering secret truths.
1 Corinthians 14:23
Hence, if the whole church assembles and they all speak ecstatically, and ordinary people or unbelievers come in, will they not say that you are crazy?
Treasury of Scripture Knowledge
Summary
Go to, let us go down, and there confound their language, that they may not understand one another's speech.
Confound
Bible References
Confound
Acts 2:4
and they were all filled with the holy Spirit and began to say in foreign languages whatever the Spirit prompted them to utter.
May
1 Corinthians 14:2
For anyone who speaks ecstatically is speaking not to men but to God, for no one can understand him, though he is uttering secret truths.