"The cow-pox protects the human constitution from the infection of smallpox."

"The Cow Pox, when it has once taken place, is a security against the Small Pox for life."

"I shall not, I presume, be thought presumptuous in declaring, that the Cow Pox is the most efficacious, and the most safe, of all the methods that have been yet discovered, for eradicating the Small P…"

"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…"

"I have often thought that if mankind were more generally enlightened, they would be more virtuous."