Edward Jenner — "The pursuit of knowledge is an endless one; but it is also a most delightful one…"

"I have been so much engaged in making experiments, that I have had no time to write letters."

"It is the lot of man to suffer; but it is also his lot to alleviate the sufferings of others."

"The deviation of man from the state in which he was originally placed by nature seems to have proved to him a prolific source of diseases."

"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…"

"The greatest happiness consists in doing good to others."