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 would make the death of Christ in vain?
What warning is therefore given?
When Christ ascended, what did He give to men?
What change did Daniel see take place in these horns?
How did Christ estimate the righteousness of the scribes and Pharisees?
Of what does God say the keeping or hallowing of the Sabbath is a sign?
What is to be the reward of those whose works are good?

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