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.

Who minister to God, and assist in the judgment?
Who does Christ say need a physician?
Under the old covenant, what did the people promise?
6. In His reply, how did Christ indicate that neither the end of the world nor of the Jewish nation was immediately at hand ?
Has the exact time of Christ's coming been revealed?
What is charity called?
How did man lose his dominion?

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