By what means did Christ claim to cast out devils?

Answer

"But if I with the finger of God cast out devils, no doubt the kingdom of God is come upon you." Luke 11:
 


What did he tell them to do?
What, then, are the visible proofs of genuine justification by faith?
What did Jesus declare God's commandments to be?
By what should we test, or prove, all doctrine?
For what is it profitable?
How often will they congregate to worship the Lord?
How much does one know of God when dead?

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