Executions, far from being useful examples to the survivors, have, I am persuaded, a quite contrary effect, by hardening the heart they ought to terrify. Besides, the fear of an ignominious death, I believe, never deterred anyone from the commission of a crime, because in committing it the mind is roused to activity about present circumstances.
Letters Written During a Short Residence in Sweden, Norway, and Denmark Letter 19 (1796)