"Faith, as well intentioned as it may be, must be built on facts, not fiction--faith in fiction is a damnable false hope."

"Opportunity is missed by most people because it is dressed in overalls and looks like work."

"I have not failed. I've just found 10,000 ways that won't work."

"The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease."

"There is no expedient to which a man will not go to avoid the labor of thinking."

"I never did a day's work in my life. It was all fun."

"We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act."

"If dogs could talk, it would take a lot of the fun out of owning one."

"I don't think it's the nature of any man to be monogamous. Men are propelled by genetically ordained impulses over which they have no control to distribute thair seed."

"It is not these well-fed long-haired men that I fear, but the pale and the hungry-looking."

"Sin is geographical."

"We hanged our harps on the willows."