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 did the people say when they saw these things?
Was the ceremonial law a complete law in itself?
What means will be employed to lead the people back into this false worship?
Who made the Sabbath?
What may be said of the developments in the line of scientific inventions since 1798?
What part will the angels have in this event?
What special blessings were conferred on the Israelites?

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