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.

Of what kind of doctrines should we beware?
Through what are they to -be sanctified?
What challenge is made by those who worship the beast?
What statement did Paul make concerning his faith and manner of worship?
What promises are made to those who consider the poor?
What promise is made to them that walk uprightly?
When will immortality be conferred upon the saints?

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