"If penicillin can cure those that are ill, Spanish sherry can bring the dead back to life."

"The story of penicillin has a certain romantic appeal, and I think that may be one of the reasons it has attracted so much attention. But the real story is much more prosaic."

"I had no idea at the time that I was making a discovery that would change the course of medicine."

"I have always been interested in the fight against disease."

"I never thought of myself as a great man, just a man who made a great discovery."