Edward Jenner — "I have often thought that if mankind were more generally enlightened, they would…"

"I have always been an advocate for public health, and I have always endeavoured to promote it."

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

"The practice of vaccination is now so generally adopted, that it is hardly necessary to recommend it."

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

"...has effectually put a stop to the sneers of those little minded persons who think everything impossible which does not come within the narrow sphere of their own comprehension."