21 And Jesus looking upon him loved him, and said to him, "You lack one thing; go, sell what you have, and give to the poor, and you will have treasure in heaven; and come, follow me." 22 At that saying his countenance fell, and he went away sorrowful; for he had great possessions.
Matthew Henry's Commentary on Mark 10:21-22
Commentary on Mark 10:17-22
(Read Mark 10:17-22)
This young ruler showed great earnestness. He asked what he should do now, that he might be happy for ever. Most ask for good to be had in this world; any good, Matthew 6:24, Ye cannot serve God and mammon.