Treasury of Scripture Knowledge
Summary
Then came the disciples to Jesus apart, and said, Why could not we cast him out?
Bible References
General references
Mark 4:10 As soon as He was alone, those who were around Him, together with the twelve [disciples], began asking Him about [the interpretation of] the parables.
Mark 9:28 When He had gone indoors, His disciples began asking Him privately, “Why were we unable to drive it out?”