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.

Was Satan created sinful?
How did Jesus emphasize the necessity of conversion?
How closely are righteousness and life thus united?
Why is the execution of the judgment given to Christ?
Whose sovereignty is thus challenged?
What is sin declared to be?
What did He say to the woman of Samaria as to the source of salvation?

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