To those searching for truth -- not the truth of dogma and darkness but the truth brought by reason, search, examination, and inquiry, discipline is required. For faith, as well intentioned as it may be, must be built on facts, not fiction -- faith in fiction is a damnable false hope.

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.

There cannot be overproduction of anything which men and women want. And their wants are unlimited, except by the size of their stomachs.

The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.

I am not overly impressed by the great names and reputations of those who might be trying to beat me to an invention. It's their 'ideas' that appeal to me. I am quite correctly described as 'more of a sponge than an inventor

Success depends on how many experiments you can fit into 24 hours

I am a vegetarian as well as a passionate anti-alcoholic, because I can thus make better use of my brain.