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.

How many were embraced in God's promises to Abraham?
After creating Adam and Eve, what did God say to them?
How early does Paul say Timothy was instructed?
According to the New Testament, what day immediately precedes the first day of the week?
How is this beast further described?
Where did John, in vision, see the saints?
To whom did Jesus first send the twelve disciples?

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