"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."

"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."

"Many of life's failures are those who didn't know how close they were to success when they gave up."

"To invent, you need a good imagination and a pile of junk."

"Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work."

"The gallery in which the reporters sit has become the fourth estate of the realm."

"Fatherhood is pretending the present you love most is soap-on-a-rope."

"What we see depends mainly on what we look for."

"Pride, like laudanun and other poisonous medicines, is beneficial in small, though injurious in large quantities. No man who is not pleased with himself, even in a personal sense, can please others."

"The real voyage of discovery consists, not in seeking new landscapes, but in having new eyes."

"Here's to the confusion of our enemies!"