"I have been working for many years on the problem of finding substances which would destroy microbes in the body without injuring the cells of the body."

"The world is full of interesting things. You just have to look for them."

"I hope that my work will inspire others to pursue scientific discovery."

"When I woke up just after dawn on September 28, 1928, I certainly didn't plan to revolutionize all medicine by discovering the world's first antibiotic, or bacteria killer. But I suppose that was exac…"

"My work was not a flash of genius, but a gradual unfolding of facts."