Luke saith he was a ruler. His question signified, that he believed such a thing as a happy eternal existence of good souls, and that he desired it, and that he was willing to do something in order to the obtaining a share and portion in it.
Related Commentaries of Mark 10:17
Mark 10:17
17 And when he was gone forth into the way, there came one running, and kneeled to him, and asked him, Good Master, what shall I do that I may inherit eternal life?