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.

How then do all become children of God?
After He had prayed this remarkable prayer three times, what occurred?
What did Jesus say the Spirit of truth would do?
What does God desire to teach the children?
Who alone went into the second apartment, how often, and for what purpose?
What statement did Paul make concerning his faith and manner of worship?
To whom do those things which are revealed belong?

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