1 Corinthians 14:24-26

But if all prophesy, and there comes in an unbeliever, or an unlearned man, he is convinced by all, he is examined by all,

Revelation 15:2-4

And I saw, as it were, a sea of glass mingled with fire, and those who had obtained the victory over the beast, and over his image, and over the number of his name, standing on the sea of glass, having the harps of God.

Treasury of Scripture Knowledge

Summary

Moreover David and the captains of the host separated to the service of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, with psalteries, and with cymbals: and the number of the workmen according to their service was:

Bible References

Prophesy

1 Corinthians 14:24
But if all prophesy, and there comes in an unbeliever, or an unlearned man, he is convinced by all, he is examined by all,