Do you know what a balance wheel is?” She shook her head slightly. “There’s one in every clock or watch. It rotates back and forth without stopping. It’s what makes the ticking sound...what makes the hands move forward to mark the minutes. Without it, the watch wouldn’t work. You’re my balance wheel, Poppy.” -Harry Rutledge
Lisa Kleypas (2009). “Tempt Me at Twilight”, p.293, Macmillan