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.

After she became queen of Persia, how did Esther show her integrity to God?
Where was Daniel at this time?
How was this little horn to exalt itself against Christ and His mediatorial work?
By what other terms are these covenants designated?
To what length will this effort to enforce the worship of the image of the beast be carried?
What will he the final result of the gospel?
For what purpose was man made?

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