"Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it."

"The true measure of a man is what he would do if he knew he would never be caught."

"Large increases in cost with questionable increases in performance can be tolerated only in race horses and women."

"The more thoroughly I conduct scientific research, the more I believe that science excludes atheism."

"Heavier-than-air flying machines are impossible."

"The atheistic idea is so nonsensical that I cannot put it into words."

"In science there is only physics; all the rest is stamp collecting."