John 3:3 KJV Jesus answered and said unto him (Nicodemus), Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God.
Matthew 3:2 KJV
And saying, Repent ye: for the kingdom of heaven is at hand.
Matthew 4:17 KJV
From that time Jesus began to preach, and to say, Repent: for the kingdom of heaven is at hand.