Edward Jenner — "I have often found that the most simple remedies are the most efficacious."

"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 …"

"It seems to be the determination of some of the jealous members of the ****** (R. *** Soc. y), not to suffer the Institution to sink, but on the / Other hand to master up a force, & support it with al…"

"It is a fortunate circumstance, that the Cow Pox is not infectious; for if it were, it would be a source of great alarm."

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

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