Put one behind his ear then.
As much as I like that idea, he needs to suffer. Put him in a jail cell with nothing other than his quote written on the cell wall. First thing he sees each morning, what he sees all day, what he sees before lights out.
If there’s a prison job available, have him work 8-10 hours a day with all money earned going to his victims.
If he’s eligible for parole after many years, deport him right back to the nearest desert shithole that breeds this trash.