Through Christ, what has been opened to the house of David?

Answer

"In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem for
sin and for uncleanness." Zech. 13: 1.

What is the only unpardonable sin?
Of what was the, blood of all the sacrifices of the former dispensation only a type?
By what is the knowledge of sin?
After resting on the seventh day, what did God do?
How did God prove Israel in the wilderness?
How was the flood stayed, and Satan's -design defeated?
What are God's people told to do at this time?

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