Quote by Edward Jenner

"Vaccination is the medical discovery which has saved more lives than any other single medical intervention in the history of medicine."

"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 hope that some transmissible disease of a milder nature will spread through the population and prepare them for the true thing when it comes."

"Truly the cow-pox secures the constitution from that dreadful scourge the small-pox."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."