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.

How may we determine the truthfulness of any doctrine ?
After receiving a knowledge of the truth, what must one do in order to be sanctified by it?
What deliverance was thus made possible?
What were sinners desiring pardon instructed to do?
At Corinth what did he do on the Sabbath days?
What did John the Baptist say to the Pharisees and Sadducees who came to his baptism?
What peaceful condition will prevail in the earth made new?

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