"I must proclaim the good news of the kingdom of God to the other cities also; for I was sent for this purpose." ( Luke 4:43)

"The time is fulfilled, and the kingdom of God has come near; repent, and believe in the good news." ( Mark 1:15)

"And this good news of the kingdom will be proclaimed throughout the world, as a testimony to all the nations." ( Matthew 24:14)

From that time on Jesus began to preach, "Repent for the Kingdom of heaven has come near." ... Jesus went throughout Galilee, teaching in the synagogues, preaching the good news of the kingdom. ( Matthew :-1-:1)

"This then is how you should pray: 'Our Father in heaven, hallowed be your name, your kingdom come, your will be done on earth as it is in heaven.'" ( Matthew 6:9-10)

"The kingdom of God is not coming with things that can be observed; nor will they say, 'Look, here it is!' or 'There it is!' For, in fact, the kingdom of God is among you." ( Luke 17:20-21)

"But if it is by the finger of God that I cast out the demons, then the kingdom of God has come to you." ( Luke 11:20)

"Whenever you enter a town and its people welcome you, eat what is set before you; cure the sick who are there, and say to them 'The kingdom of God has come near to you.'" ( Luke 10:8-9)

"My kingdom is not from this world." ( John 18:36)

Helpful links to related questions/topics

The Greatest in the Kingdom of Heaven The Little Children and Jesus The Coming of the Kingdom of God Do Not Worry What is the Kingdom of God? How can I enter God`s Kingdom? What characteristics of a little child allow the child to better receive the Kingdom of God? What characteristics of a rich person make it harder to receive the Kingdom of God? How would Jesus explain his statement that "The Kingdom of God is within you?"