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 last book of the Bible called?
What reason did Solomon give for urging all to fear God and keep His commandments?
Did Christ come to abolish or to destroy the law?
By whom were the worlds made?
What other sign, or wonder, appeared in heaven?
How early was this tendency manifested?
Do the dead know anything?

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