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.

In what way is this comparison further explained?
Who alone comprehends the things of God?
What different results attend the covering and the confessing of sins?
How does Jesus, through the Spirit, seek an entrance to every heart?
What similar call and appeal will be made under the final outpouring of the Spirit?
What trying experience did Christ then foretell?
Has the exact time of Christ's coming been revealed?

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