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Most vices may be committed very genteelly: a man may debauch his friend's wife genteelly: he may cheat at cards genteelly

Samuel Johnson (1798). “Dr. Johnson's Table Talk: Containing Aphorisms on Literature, Life, and Manners; with Anecdotes of Distinguished Persons, Selected and Arranged from Dr. Boswell's Life of Johnson”, p.390
Most vices may be committed very genteelly: a man may debauch his friend's wife genteelly: he may cheat at cards genteelly