Mark 3:14

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

Luke 9:1-6

AND calling together the twelve, he gave them power and authority over all demons, and to cure diseases,

Luke 10:1-11

And after these things the Lord designated seventy others also, and sent them out, two by two, before his face, into every city and place where he was about to come.

Luke 24:47

and that a change of mind and forgiveness of sins should be preached in his name to all nations, beginning from Jerusalem.

John 15:16

You have not chosen me, but I have chosen you, and appointed you to go and bear fruit, and that your fruit should continue, that whatever you ask the Father in my name he may give you.

Acts 1:8

but you shall receive power when the Holy Spirit has come upon you, and shall be my witnesses both in Jerusalem, and all Judea, and Samaria, and to the end of the earth.

Acts 1:24-25

And praying, they said, Do thou, Lord, the searcher of all hearts, show which of these two thou hast chosen

Galatians 1:1

PAUL an apostle, not from men nor by man but by Jesus Christ and God the Father who raised him from the dead,

Galatians 1:15-20

But when God who gave me being and called me by his grace,

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 have not chosen me, but I have chosen you, and appointed you to go and bear fruit, and that your fruit should continue, that whatever you ask the Father in my name he may give you.
Acts 1:24
And praying, they said, Do thou, Lord, the searcher of all hearts, show which of these two thou hast chosen
Galatians 1:1
PAUL an apostle, not from men nor by man but by Jesus Christ and God the Father who raised him from the dead,

And

Luke 9:1
AND calling together the twelve, he gave them power and authority over all demons, and to cure diseases,
Luke 10:1
And after these things the Lord designated seventy others also, and sent them out, two by two, before his face, into every city and place where he was about to come.
Luke 24:47
and that a change of mind and forgiveness of sins should be preached in his name to all nations, beginning from Jerusalem.
Acts 1:8
but you shall receive power when the Holy Spirit has come upon you, and shall be my witnesses both in Jerusalem, and all Judea, and Samaria, and to the end of the earth.