Luke 4:43

But He told them, "I must go to other towns also to preach the good news of God's [coming] kingdom, for this is why I was sent [by God]."

Mark 1:14-15

Now after John was turned over [i.e., to the authorities and imprisoned] Jesus went [back] to Galilee preaching the good news from God

Mark 1:38-39

He said to them, "Let us go on to the next towns so that I can preach there also, for this was why I came out [i.e., Jesus was sent by God to preach to other towns as well as Capernaum. See Luke 4:43]."

John 6:38-40

For I have come down from heaven to do what God, who sent me, wants me to do, not what I want to do.

John 9:4

While it is still daytime we must perform the acts of God, who sent me. Nighttime is coming, when no one can act.

John 20:21

Jesus said to them again, "May there be peace in your hearts. Just as the Father has sent me, so I am sending you."

Acts 10:38

This message was about Jesus from Nazareth and how God specially chose Him [and signified it] by giving Him the Holy Spirit and power. He traveled all over doing good [for people] and healing everyone who was [being] oppressed by the devil, for God was with Him.

2 Timothy 4:2

Preach the [Gospel] message; be prepared [to do it both] when it is convenient and when it is inconvenient; reprove [i.e., convince people of their wrongdoing], rebuke [i.e., convict people of their sin], and exhort [i.e., urge people to act], with great patience and teaching.

Treasury of Scripture Knowledge

Summary

And he said unto them, I must preach the kingdom of God to other cities also: for therefore am I sent.

Therefore

General references

Bible References

I must

Mark 1:14
Now after John was turned over [i.e., to the authorities and imprisoned] Jesus went [back] to Galilee preaching the good news from God
John 9:4
While it is still daytime we must perform the acts of God, who sent me. Nighttime is coming, when no one can act.
Acts 10:38
This message was about Jesus from Nazareth and how God specially chose Him [and signified it] by giving Him the Holy Spirit and power. He traveled all over doing good [for people] and healing everyone who was [being] oppressed by the devil, for God was with Him.
2 Timothy 4:2
Preach the [Gospel] message; be prepared [to do it both] when it is convenient and when it is inconvenient; reprove [i.e., convince people of their wrongdoing], rebuke [i.e., convict people of their sin], and exhort [i.e., urge people to act], with great patience and teaching.

Therefore

John 6:38
For I have come down from heaven to do what God, who sent me, wants me to do, not what I want to do.
John 20:21
Jesus said to them again, "May there be peace in your hearts. Just as the Father has sent me, so I am sending you."

General references

Matthew 9:35
Jesus traveled throughout all the towns and villages, teaching in their synagogues, preaching the good news of the [coming] kingdom and healing all kinds of diseases and illnesses.