1 Corinthians 14:40

He forbade them not to speak with tongues, provided they did it decently and orderly, as all other things ought to be done in so grave an assembly as that of the church, and so grave an action as the worship of God. For women to prophesy in the public assemblies, was an indecent thing; he had said, 1 Corinthians 14:35, that it was a shame. For many of them to speak together, confusedly, making a noise, that was disorderly. Nor did this decency or indecency, order or disorder, arise from obeying or disobeying the apostolical constitution, but from the law of God, the light of nature, the common usage of all the churches of Christians, as 1 Corinthians 14:33. All things ought so to be done, (especially in religious assemblies and actions), as they may not be judged by the law of God, or the light of nature, or the common custom of other churches, to be done indecently or confusedly, without order. It is very observable, that though the apostle, in these things, hath given rules, yet he hath determined nothing shameful or uncomely, but what he hath made to appear so, either from the Divine law, (as in the case of the women's prophesying, 1 Corinthians 14:34), or from nature and reason, (as in the case of many speaking at the same time), it being useless to the end, which was teaching and instructing those to whom they spake, and what unbelievers would count the effect of madness, 1 Corinthians 14:23.