They adduced note xvi of his "Heat" in which he had written favourably about the doctrine of the sceptical David Hume that causation was nothing more than an observed constant and invariable sequence of events.
Sila adduced tandaan XVI ng kanyang "init" sa kung saan siya ay may nakasulat tungkol sa pasang-ayon sa doktrina ng may pag-aalinlangan David Hume na pagsasagawa ay wala ng higit pa sa isang napagmasdan na pare-pareho at walang pagkakasunod-sunod ng mga pangyayari.