"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."

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

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

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"The best things in life don't make sense."

"PRE-EXISTENCE, n. An unnoted factor in creation."

"He, in a few minutes ravished this fair creature, or at least would have ravished her, if she had not, by a timely compliance, prevented him."

"I hope I never get so old I get religious."

"Blind belief is dangerous."

"Good habits are formed; bad habits we fall into."