For the third time in a short period of time, the three "synoptic" gospel writers, Matthew, Mark and Luke, record Jesus telling his disciples exactly how he would suffer and die. This time it is in the midst of the sad refusal of the rich young ruler to give up what he had; Peter appealing to Jesus whether leaving everything was worth it; Matthew remembering Jesus' parable about workers complaining they weren't being treated fairly even though they were receiving exactly what was agreed; and James and John's mother about to stir trouble by trying to ensure her sons' deserving places in the Kingdom.
In the midst of it all stands the greatest among them who did give up everything he had. He voluntarily left glory to live on the wrong side of the tracks. The only begotten son of the Creator was about to dutifully make the most costly investment toward his kingdom that could have possibly been made.