When you have exhausted all possibilities, remember this - you haven't.

Failure is really a matter of conceit. People don't work hard because, in their conceit, they imagine they'll succeed without ever making an effort. Most people believe that they'll wake up some day and find themselves rich. Actually, they've got it half right, because eventually they do wake up.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favor compared with the products of nature, the living cell of the plant, the final result of the rays of the sun, the mother of all life.

I have far more respect for the person with a single idea who gets there than for the person with a thousand ideas who does nothing.

I never knew I had an inventive talent until Phrenology told me so. I was a stranger to myself until then!

Genius is one percent inspiration, ninety-nine percent perspiration.