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 was God's object in making the earth?
What effect did the preaching of the apostles have upon the hearers?
On what did God write the Ten Commandments?
11. What sign did Christ mention by which His disciples might know when the destruction of Jerusalem was near?
What were to be the signs on earth of Christ's coming?
When John the Baptist was asked if he were Elijah, what did he say?
Why was this to be?

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