“Not to be served but to serve... a ransom for many”
You know that the rulers of the Gentiles lord it over them, and their superiors exercise authority over them. It shall not be this way among you… just as the Son of Man did not come to be served, but to serve, and to give His life as a ransom for many. (Matthew 20:25–28 BSB)
What it sounds like today
A leadership aphorism.
The cultural key
Luke's Last Supper carries the same scene John dramatizes with the basin and towel, in words instead of water. A dispute breaks out among the disciples, at this table, on this night, over which of them is greatest. Jesus answers from the room's own furniture: everyone knew the recliner outranks the waiter; banquet culture was built on exactly that ranking. Then the inversion: 'I am among you as the one who serves,' ho diakonon, the table servant, the role John shows him performing on his knees with a towel. He adds the Gentile comparison: their kings lord it over people and get called Benefactor (Euergetes, an actual royal title of the era); 'but not so with you.' Matthew's version answers the Zebedee family's request for the thrones, and it bottoms out in a word the table-talk versions lack: lytron, ransom, the purchase price paid to free a slave or captive. The service teaching ends in a manumission payment, with his life as the sum.
Recovered meaning
The argument about greatness is answered by reassigning the head of the table to the serving station. Where John gives the acted parable of the foot washing, Luke gives its caption: rank in this kingdom is measured by whose feet you are willing to attend.