How did Jesus emphasize the necessity of conversion?

Answer

"Verily I say unto you, Except you be converted, and become as little children, you shall not enter into the
kingdom of heaven!' Matt. 18: 3.

What is said of God's faithfulness in keeping His promises ?
How fully does the Lord pardon when one repents?
In what condition is one whose sins are forgiven?
At the end of this time, what was to be done to Messiah?
Who did He say would enter the kingdom of heaven?
What does He indicate as one of its purposes?
In what sense does the angel Gabriel explain John the Baptist to be the Elijah of Mal. 4: 5?

Questions & Answers are from the book Bible Readings for the Home Circle