When he had washed their feet and put on his outer garments and resumed his place, he said to them, “Do you understand what I have done to you?

He contradicts the ordinary standards of the World and serves. From His height, He goes Low.  He goes lowly serving   

Paul said it. Judas proved it. Do you love money? Do you want to be rich?That’s what the Bible says: if you want to be rich, you’re on a suicidal track.

In the way John presents this story, he means for us to see the resurrection of Lazarus as a picture of our resurrection — the resurrection of all who believe in Jesus.