" ’Tis nothing, my lord, if you please, a momentary flaring of warm feelings, as when a log bursts on a hearth, and sparks fly," says Mr. Threader. "The only sparks that matter to us are these." He gestures with both hands at the pile of golden bits he has made on the cloth. "If, as I hope, Dr. Waterhouse’s exertions have left him quite uninjured, then I shall weigh out twelve grains of these."