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 do the heavens declare?
What spirit must those cherish whom God forgives?
By what means are sins washed away?
By what should we test, or prove, all doctrine?
17. What similar language is used by the Apostle Paul in describing the \"mystery of iniquity,\" or \"man of sin\"?
What was the song of Moses?
But are not the righteous dead in heaven?

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