1 Corinthians 14:29

Let two or three prophets speak, and let the others weigh what is said.

1 Corinthians 12:10

and to another the working of miracles, and to another prophecy, and to another distinguishing between spirits, to another various kinds of tongues, and to another the interpretation of tongues.

1 Corinthians 14:39

Therefore, my brethren, desire earnestly to prophesy, and do not forbid speaking in tongues.

1 Thessalonians 5:19-21

Do not quench the Spirit;

1 John 4:1-3

Beloved, do not believe every spirit, but test the spirits to see whether they are of God; because many false prophets have gone out into the world.

Treasury of Scripture Knowledge

Summary

Let the prophets speak two or three, and let the other judge.

Bible References

The prophets

1 Corinthians 14:39
Therefore, my brethren, desire earnestly to prophesy, and do not forbid speaking in tongues.
1 Corinthians 12:10
and to another the working of miracles, and to another prophecy, and to another distinguishing between spirits, to another various kinds of tongues, and to another the interpretation of tongues.
1 Thessalonians 5:19
Do not quench the Spirit;
1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are of God; because many false prophets have gone out into the world.

General references

1 Corinthians 14:32
and the spirits of prophets are subject to prophets.
1 Thessalonians 5:20
do not despise prophecies.