Direct observation of the testimony of the earth ... is a matter of the laboratory, of the field naturalist, of indefatigable digging among the ancient archives of the earth's history.

Another quote →

More quotes by Henry Fairfield Osborn

All Henry Fairfield Osborn quotes →

Attribution

Quote text and notes from Wikiquote: Henry Fairfield Osborn (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.