" When a slave must be executed, the slaves from those plantations nearby are brought to watch; a deterrent, aye? against future ill-considered action.” “Indeed,” Jamie said politely. “I believe that was the Crown’s notion in executing my grandsire on Tower Hill after the Rising. Verra effective, too; all my relations have been quite well behaved since.” I had lived long enough among Scots to appreciate the effects of that little jab. Jamie might have come at Campbell’s request, but the grandson of the Old Fox did no man’s bidding lightly—nor necessarily held English law in high regard. MacNeill had got the message, all right; the back of his neck flushed turkey-red, but Farquard Campbell looked amused. He uttered a short, dry laugh before turning round. "
― Diana Gabaldon , Drums of Autumn (Outlander, #4)