Mark 3:14

He appointed twelve apostles to travel with Him, whom He could send out to preach

Luke 9:1-6

Jesus then called the twelve apostles together and gave them power and authority over all evil spirits and [the ability] to heal diseases.

Luke 10:1-11

Now after these things [happened] the Lord appointed seventy-two other disciples [Note: Some ancient manuscripts say "seventy." This group would have been in addition to the twelve. See Luke 9:1], and sent them two by two on ahead of Him into every town and locality that He planned to visit.

Luke 24:47

And [the need for] a change of heart and life in order to receive the forgiveness of sins [from God] will be preached in Jesus' name [i.e., by His authority] to people of all nations, beginning from Jerusalem.

John 15:16

You [apostles] did not choose me, but I chose you, and appointed you to go and bear much fruit [i.e., through their evangelizing], and that your fruit should last. Then the Father will give you whatever you ask Him for in my name [i.e. by my authority].

Acts 1:8

But, you apostles will receive power when the Holy Spirit descends on you and [then] you will become My witnesses [i.e., to tell what you know] in Jerusalem, in [the countries of] Judea and Samaria, and [even] to the distant regions of the earth."

Acts 1:24-25

Then they prayed, "Lord, you know the inner thoughts of all men, so show us which one of these two men should be selected

Galatians 1:1

[This letter is from] Paul, an apostle, (not from [the authority of] men, or through the [agency] of a man, but by [a direct commission from] Jesus Christ and God the Father, who raised Him from the dead).

Galatians 1:15-20

But then it was the good pleasure of God, who set me apart [for this purpose] before I was born, to call me [to this ministry] through His unearned favor.

Treasury of Scripture Knowledge

Summary

And he ordained twelve, that they should be with him, and that he might send them forth to preach,

Bible References

He ordained

John 15:16
You [apostles] did not choose me, but I chose you, and appointed you to go and bear much fruit [i.e., through their evangelizing], and that your fruit should last. Then the Father will give you whatever you ask Him for in my name [i.e. by my authority].
Acts 1:24
Then they prayed, "Lord, you know the inner thoughts of all men, so show us which one of these two men should be selected
Galatians 1:1
[This letter is from] Paul, an apostle, (not from [the authority of] men, or through the [agency] of a man, but by [a direct commission from] Jesus Christ and God the Father, who raised Him from the dead).

And

Luke 9:1
Jesus then called the twelve apostles together and gave them power and authority over all evil spirits and [the ability] to heal diseases.
Luke 10:1
Now after these things [happened] the Lord appointed seventy-two other disciples [Note: Some ancient manuscripts say "seventy." This group would have been in addition to the twelve. See Luke 9:1], and sent them two by two on ahead of Him into every town and locality that He planned to visit.
Luke 24:47
And [the need for] a change of heart and life in order to receive the forgiveness of sins [from God] will be preached in Jesus' name [i.e., by His authority] to people of all nations, beginning from Jerusalem.
Acts 1:8
But, you apostles will receive power when the Holy Spirit descends on you and [then] you will become My witnesses [i.e., to tell what you know] in Jerusalem, in [the countries of] Judea and Samaria, and [even] to the distant regions of the earth."