1 Corinthians 14:8-10
Douay-Rheims 1899 American Edition
8 For if the trumpet give an uncertain sound, who shall prepare himself to the battle?
9 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.
10 There are, for example, so many kinds of tongues in this world; and none is without voice.
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1 Corinthians 14:8-10
New International Version
8 Again, if the trumpet does not sound a clear call, who will get ready for battle?(A) 9 So it is with you. Unless you speak intelligible words with your tongue, how will anyone know what you are saying? You will just be speaking into the air. 10 Undoubtedly there are all sorts of languages in the world, yet none of them is without meaning.
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