[T]heories are only hypotheses, verified by more or less numerous facts. Those verified by the most facts are the best; but even then they are never final, never to be absolutely believed.

— Claude Bernard, Introduction à l'Étude de la Médecine Expérimentale (1865)

From his 1865 book Introduction à l'Étude de la Médecine Expérimentale.

Topics: scientific method