Mark 6:7

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

Mark 3:13-14

And he goeth up into the mountain, and calleth unto him whom he himself would; and they went unto him.

Exodus 4:14-15

And the anger of Jehovah was kindled against Moses, and he said, Is there not Aaron thy brother the Levite? I know that he can speak well. And also, behold, he cometh forth to meet thee: and when he seeth thee, he will be glad in his heart.

Ecclesiastes 4:9-10

Two are better than one, because they have a good reward for their labor.

Matthew 10:1-5

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

Matthew 10:9-14

Get you no gold, nor silver, nor brass in your purses;

Mark 16:17

And these signs shall accompany them that believe: in my name shall they cast out demons; they shall speak with new tongues;

Luke 6:13-16

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

Luke 9:1-6

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

Luke 10:1

Now after these things the Lord appointed seventy others, and sent them two and two before his face into every city and place, whither he himself was about to come.

Luke 10:3-12

Go your ways; behold, I send you forth as lambs in the midst of wolves.

Luke 10:17-20

And the seventy returned with joy, saying, Lord, even the demons are subject unto us in thy name.

Revelation 11:3

And I will give unto my two witnesses, and they shall prophesy a thousand two hundred and threescore 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;

Bible References

The twelve

Mark 3:13
And he goeth up into the mountain, and calleth unto him whom he himself would; and they went unto him.
Matthew 10:1
And he called unto him his twelve disciples, and gave them authority over unclean spirits, to cast them out, and to heal all manner of disease and all manner of sickness.
Luke 6:13
And when it was day, he called his disciples; and he chose from them twelve, whom also he named apostles:
Luke 9:1
And he called the twelve together, and gave them power and authority over all demons, and to cure diseases.
Luke 10:3
Go your ways; behold, I send you forth as lambs in the midst of wolves.

Two and

Exodus 4:14
And the anger of Jehovah was kindled against Moses, and he said, Is there not Aaron thy brother the Levite? I know that he can speak well. And also, behold, he cometh forth to meet thee: and when he seeth thee, he will be glad in his heart.
Ecclesiastes 4:9
Two are better than one, because they have a good reward for their labor.
Revelation 11:3
And I will give unto my two witnesses, and they shall prophesy a thousand two hundred and threescore days, clothed in sackcloth.

Power

Mark 16:17
And these signs shall accompany them that believe: in my name shall they cast out demons; they shall speak with new tongues;
Luke 10:17
And the seventy returned with joy, saying, Lord, even the demons are subject unto us in thy name.

American Standard Version Public Domain