As observed by science fiction writer Robert Heinlein:
“A young couple was walking along a set of railroad tracks that cut through the park in those days when the woman got her heel caught in a switch – a nuisance, until they heard a train whistle approaching at speed. Another young man – the newspapers later said he was a tramp – stopped to help them get free. As the train fore down on them, the husband and the tramp struggled to get the woman free and were struck, all of them. The wife and the tramp were killed instantly and the husband was seriously injured…. Why did he [the tramp] do it? Wondered little Bobby and then adolescent Bobby – and so on repeatedly, did Midshipman Bob and politician Bob and adult Robert, understanding a bit more, a bit differently, every time he looked at it. “This incident became a core image for him, one that showed him in a way beyond words what it means to be a human being.
His Majesty: “This also illustrates the decline in quality of all things American, including tramps.”