After Pentecost, how was the gospel preached?

Answer

"With the Holy Ghost sent down from heaven." 1 Peter 1: 12.

With what comparison did He illustrate the subject?
What final disposition was made of the sins of the people?
Which commandment alone of the Decalogue reveals the true God and Author of the law?
What saying will then be brought to pass?
While in this condition, how much does one know about those he has left behind?
How is their watch-care over God's people expressed?
Did this doctrine exist in ancient times?

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