"An important scientific innovation rarely makes its way by gradually winning over and converting its opponents: it rarely happens that Saul becomes Paul."

"What is the good of a scientific discovery that does not make a difference in everyday life?"

"My original decision to devote myself to science was a direct result of the discovery, which has never ceased to fill me with enthusiasm, that the laws of nature are accessible to human thought."

"The highest purpose of a man is to serve humanity."

"The human mind is the most complex and mysterious thing in the universe."