"The most curious circumstance attending this disease, is, that the matter taken from the pock of a Cow, and inserted into the skin of a human being, will produce a disease in that human being, which w…"

"The most beautiful flowers are often found in the most obscure places."

"How wonderful that this horrid pestilence should at this time even have an existence in our island . . . A Physician from Copenhagen call'd on me today, and express'd his astonishment at an opposition…"

"I am not surprised that men are not grateful to me; but I wonder that they are not grateful to God for the good which He has made me the instrument of conveying to my fellow creatures."

"The most important lesson that I have learned in life is, that we should always endeavour to do our duty."