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 memorial of His creative power did God establish?
And how may we know that we love the brethren?
What determines whose servants we are?
What did Charlemagne's Sunday law of 800 require?
What command was given these locusts?
Is Christ ever called an angel?
Why was this to be?

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