"I have been working for some time on the subject of electricity and magnetism, and I think I have made some discoveries."

"Lectures which really teach will never be popular; lectures which are popular will never really teach."

"The world is full of things that are wonderful, but we only see them when we are looking for them."

"I am busy just now again on the old subject of light and experiment, and hope to have some new views to bring out."

"There's nothing quite as frightening as someone who knows they are right."