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.

In what other statement is the same truth emphasized?
13. To the woman who had been healed by touching His garment, what did Christ say made her whole?
What was in the ark, under the mercy-seat?
18. Before giving the law at Sinai, what did God say because some of the people went out to gather manna on the seventh day?
Who did He say would be saved?
To whom did Jesus first send the twelve disciples?
Whom will they be like?

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