Mark 1:15

"The time is ripe and the kingdom of God is near; repent and believe in the good news."

Galatians 4:4

but when the proper time had come, God sent His Son, born of a woman, born subject to law,

Ephesians 1:10

so that, at the coming of the climax of the ages, everything in heaven and on earth should be unified through Christ,

Matthew 3:2

and saying, "Repent! For the kingdom of heaven is near."

Acts 20:21

but constantly and earnestly I urged Greeks as well as Jews to turn with repentance to God and to have faith in our Lord Jesus.

Matthew 4:17

From that time Jesus continued to preach and say, "Repent! For the kingdom of heaven is near."

Matthew 10:7

And as you go continue to preach, 'The kingdom of heaven is near.'

Matthew 21:31-32

Which of the two did what his father wanted?" They answered, "The second one." Jesus said to them, "I solemnly say to you, the tax-collectors and prostitutes will get into the kingdom of heaven ahead of you.

Luke 10:9

to cure the sick there, and to say, 'The kingdom of God is close upon you.'

Luke 10:11

'We are wiping off against you the very dust from your town that has stuck to our feet. But understand this, the kingdom of God is close by.'

Luke 24:47

and that in His name repentance as the condition for the forgiveness of sins should be preached to all the nations. Beginning at Jerusalem

Acts 2:36-38

"Therefore, let all the descendants of Israel understand beyond a doubt that God has made this Jesus whom you crucified both Lord and Christ."

Romans 16:26

but now has been fully brought to light by means of the prophetic Scriptures, and in accordance with the command of the eternal God has been made known to all the heathen, to win them to obedience inspired by faith --

2 Timothy 2:25-26

With gentleness he must correct his opponents, for God might grant them repentance that would lead them to a full knowledge of the truth,

Treasury of Scripture Knowledge

Summary

And saying, The time is fulfilled, and the kingdom of God is at hand: repent ye, and believe the gospel.

Believe

General references

Bible References

The time

Galatians 4:4
but when the proper time had come, God sent His Son, born of a woman, born subject to law,
Ephesians 1:10
so that, at the coming of the climax of the ages, everything in heaven and on earth should be unified through Christ,

The kingdom

Matthew 3:2
and saying, "Repent! For the kingdom of heaven is near."
Matthew 4:17
From that time Jesus continued to preach and say, "Repent! For the kingdom of heaven is near."
Matthew 10:7
And as you go continue to preach, 'The kingdom of heaven is near.'
Luke 10:9
to cure the sick there, and to say, 'The kingdom of God is close upon you.'

Believe

Romans 16:26
but now has been fully brought to light by means of the prophetic Scriptures, and in accordance with the command of the eternal God has been made known to all the heathen, to win them to obedience inspired by faith --

General references

Luke 9:2
and then He sent them out to preach the kingdom of God and to cure the sick.