Mark 6:7

He summoned the twelve and sent them forth in pairs. They were given authority over the unclean spirits.

Mark 3:13-14

He went up on the mountain and invited anyone who wanted to go with him.

Exodus 4:14-15

Then the anger of Jehovah burned against Moses, and He said: Is there not your brother Aaron the Levite? I know that he speaks fluently. He is coming out to meet you. When he sees you, 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

He called his twelve disciples. He gave them power to cast out unclean spirits and to heal all kinds of disease and sickness.

Matthew 10:9-14

Do not take gold, silver, or copper money in your money belt.

Mark 16:17

These signs will accompany those who believe. They will cast out demons in my name. They will speak with new languages.

Luke 6:13-16

The next day he called his disciples to choose from them twelve, whom he named apostles (ambassadors) (messengers):

Luke 9:1-6

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

Luke 10:1

The Lord appointed seventy disciples and sent them in groups of two into every city and place where he was about to go.

Luke 10:3-12

Go your way for I send you as lambs in the midst of 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

I will give power to my two witnesses, and they will prophesy a thousand two 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;

Bible References

The twelve

Mark 3:13
He went up on the mountain and invited anyone who wanted to go with him.
Matthew 10:1
He called his twelve disciples. He gave them power to cast out unclean spirits and to heal all kinds of disease and sickness.
Luke 6:13
The next day he called his disciples to choose from them twelve, whom he named apostles (ambassadors) (messengers):
Luke 9:1
He called the twelve together and gave them power and authority over all demons, and to cure diseases.
Luke 10:3
Go your way for I send you as lambs in the midst of wolves.

Two and

Exodus 4:14
Then the anger of Jehovah burned against Moses, and He said: Is there not your brother Aaron the Levite? I know that he speaks fluently. He is coming out to meet you. When he sees you, 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
I will give power to my two witnesses, and they will prophesy a thousand two hundred and sixty days, clothed in sackcloth.

Power

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