Mark 9:33 And he came to Capernaum: and being in the house he asked them, What was it that you disputed among yourselves by the way? 34 But they held their peace: for by the way they had disputed among themselves, who should be the greatest.
As it pertains to dealing with the issue of the unconverted heart, Christ will go for the jugular, which if and when accomplished in His disciples, will take care of not only the current issue but any other problem that may or may not arise. But if He was to only address the behavioral aspects, the same issue would certainly flare up again, under favorable, or under trying circumstances, as the case might be.
Note well, that the disagreement amongst the other disciples hamstrung their efforts to cast out demons for God is A Spirit, and wherever our minds may be consumed with fussing and fighting over a plethora none-essentials, Christ’s vital power, to engage and conquer hosts of darkness will be eerily absent in us.
[The Desire of Ages pp 435>437] The Savior gathered His disciples about Him, and said to them, “If any man desire to be first, the same shall be last of all, and servant of all.” There was in these words a solemnity and impressiveness which the disciples were far from comprehending.
Matthew 18:4 Whosoever therefore shall humble himself as this little child, the same is greatest in the kingdom of heaven.
May The Lord add His blessing to the study of His word. God bless!