"Jesus must have been a saint" is a line from Marie Howe's poem "The Star Market". Wandering through a marketplace, there are several unattractive people there that our wanderer shrinks from, even though they are "the people that Jesus loved." Every now and then, I find a line that really gets me. I suspect that most people would not even think that line, much less write it.
I think Jesus tried to say "Be kind" but one thing led to another and by typical standards, things did not work out well. A couple of hundred years later, people were still thinking and talking and writing about him and what he did and the examples he set. A couple of thousand years later, we have the Roman Catholic Church and its set of saints. So, in a sense, Jesus was before his time but in another, He was the Saint of saints.