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.

After the Flood, what came in consequence of further apostasy from God?
What is the gift of God?
To whom are sinners brought by conversion?
On what day was John in the Spirit?
When were the first of these signs to appear, and what were they to be?
When did Paul say Christ would judge the living and the dead ?
Who does David say have most now?

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