“I submit a body of facts which cannot be invalidated. My opinions may be doubted, denied, or approved, according as they conflict or agree with the opinions of each individual who may read them; but their worth will be best determined by the foundation on which they rest—the incontrovertible facts.” FactsScienceDoubtConflictAgreeFoundationMedicineDenyBiologyApprovalReadOpinionsValidIncontrovertibleFather Of Gastric Physiology Book:Experiments and Observations on the Gastric Juice: and the Physiology of Digestion Source: Experiments and Observations on the Gastric Juice: and the Physiology of Digestion