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 way are both Jews and Gentiles to be justified?
By what is Grecia, the kingdom succeeding Medo-Persia, represented in the image?
When He comes the second time, what title will He bear?
Whom are all called upon to worship?
What is sin declared to be?
What did He thus abolish?
Afterward who came to be called by this title?

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