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.

With whom did the prophet Isaiah say Christ would make His grave?
What instruction is given concerning confession of sin?
How has Christ made it possible for righteousness to be imputed to the believer?
What, in prophecy, is symbolized by waters?
What sign was to follow the darkening of the sun and the moon?
What takes place under the seventh plague?
What is an evidence of perfection?

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