Luke 4:43

But he said unto them, I must preach the glad tidings of the kingdom of heaven in other cities also: for on this service am I sent.

Mark 1:14-15

But after John was delivered up, Jesus came into Galilee, preaching the gospel of the kingdom of God:

Mark 1:38-39

And he said unto them, Let us go into the neighbouring towns, that I may preach there also; for unto this purpose came I forth.

John 6:38-40

For I came down from heaven, not with a view to do my own will, but the will of him that sent me.

John 9:4

I must work the works of him that sent me, while it is day: the night is coming, when no man can work.

John 20:21

Jesus therefore spake to them again, Peace be unto you: as the Father hath sent me, even so send I you.

Acts 10:38

respecting Jesus, who was of Nazareth, how God had anointed him with the Holy Ghost and with power: who went about doing good, and healing all that were tyrannically oppressed of the devil; for God was with him.

2 Timothy 4:2

preach the word, be urgent, in season, out of season; reprove, enjoin, exhort with all long suffering and doctrine.

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
But after John was delivered up, Jesus came into Galilee, preaching the gospel of the kingdom of God:
John 9:4
I must work the works of him that sent me, while it is day: the night is coming, when no man can work.
Acts 10:38
respecting Jesus, who was of Nazareth, how God had anointed him with the Holy Ghost and with power: who went about doing good, and healing all that were tyrannically oppressed of the devil; for God was with him.
2 Timothy 4:2
preach the word, be urgent, in season, out of season; reprove, enjoin, exhort with all long suffering and doctrine.

Therefore

John 6:38
For I came down from heaven, not with a view to do my own will, but the will of him that sent me.
John 20:21
Jesus therefore spake to them again, Peace be unto you: as the Father hath sent me, even so send I you.

General references

Matthew 9:35
And Jesus took a circuit through all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing all manner of disease, and every malady among the people.