Mark 6:7

And he called to him the twelve, and began to send them out two by two, and gave them authority over the unclean spirits.

Mark 3:13-14

And he went up on the mountain, and called to him those he himself wanted. And they came to him.

Matthew 10:1-5

And he called to him his twelve disciples and gave them authority over unclean spirits, to cast them out, and to heal every disease and every sickness.

Matthew 10:9-14

Take no gold, nor silver, nor copper in your belts,

Mark 16:17

And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;

Luke 6:13-16

And when it was day, he called his disciples to himself; and from them he chose twelve, whom he also named apostles:

Luke 9:1-6

Then he called the twelve together and gave them power and authority over all demons, and to cure diseases.

Luke 10:1

After this the Lord appointed seventy others, and sent them ahead of him, two by two, into every town and place where he himself was about to go.

Luke 10:3-12

Go your way; behold, I send you out as lambs among wolves.

Luke 10:17-20

The seventy returned with joy, saying, "Lord, even the demons are subject to us in your name."

Revelation 11:3

And I will grant power to my two witnesses, and they will prophesy for twelve hundred and sixty days, clothed in sackcloth."

Treasury of Scripture Knowledge

Summary

And he called unto him the twelve, and began to send them forth by two and two; and gave them power over unclean spirits;

Two and

Bible References

The twelve

Mark 3:13
And he went up on the mountain, and called to him those he himself wanted. And they came to him.
Matthew 10:1
And he called to him his twelve disciples and gave them authority over unclean spirits, to cast them out, and to heal every disease and every sickness.
Luke 6:13
And when it was day, he called his disciples to himself; and from them he chose twelve, whom he also named apostles:
Luke 9:1
Then he called the twelve together and gave them power and authority over all demons, and to cure diseases.
Luke 10:3
Go your way; behold, I send you out as lambs among wolves.

Two and

Revelation 11:3
And I will grant power to my two witnesses, and they will prophesy for twelve hundred and sixty days, clothed in sackcloth."

Power

Mark 16:17
And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;
Luke 10:17
The seventy returned with joy, saying, "Lord, even the demons are subject to us in your name."