"The discovery of vaccination is one of the most important that has ever been made."

"It is a pity that the practice of inoculation has not been more generally adopted; for if it had, many lives might have been saved."

"The deviation of the Cow Pox from its true character appears to be very frequent; and when it does appear, it is, as far as I have seen, uniformly in the following manner: The vesicle, instead of bein…"

"It is not, that I am an enemy to the practice of inoculation; on the contrary, I am a warm friend to it, and have been so for many years. But I am convinced, that the present mode of conducting it is …"

"The human mind is a wonderful machine; but it is also a very delicate one."