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 sin declared to be?
Why does God manifest such mercy and long-suffering toward men?
By what is every child known?
How far-reaching is God's ability to reveal the future?
What symbol was next introduced in the vision?
What prophet had foretold Christ's ride into Jerusalem?
In order to grow by the Word of God, what must one do?

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