Here the man speaks of "receiving" as if it were "inheriting." This metaphor is used to emphasize the importance of receiving. Also, "inherit" here does not mean that someone has to die first. AT: to receive eternal life" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Jesus asks this question to remind the man that no man is good the way God is good. AT: "You do not understand what you are saying when you call me good." (See: [[rc://en/ta/man/translate/figs-rquestion]])