"In the present state of science, it would be a rash thing to assert that any one physical constant is absolutely constant."

"The value of a scientific theory depends on its power of predicting future events."

"The greatest discovery ever made was the discovery of ignorance."

"I have no doubt that there are many persons who would be very glad to get rid of the ether."

"At quite uncertain times and places, The atoms left their heavenly path, And by fortuitous embraces, Engendered all that being hath. And though they seem to cling together, And form 'associations' her…"