Mr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".

The very first thing an executive must have is a fine memory. Of course it does not follow that a man with a fine memory is necessarily a fine executive. But if he has the memory he has the first qualification, and if he has not the memory nothing else matters.

I would rather have one man with enthusiasm working with me than ten who are complacent.

I believe that the science of chemistry alone almost proves the existence of an intelligent creator.

My success is due more to my ability to work continuously on one thing without stopping than to any other single quality.

Show me a thoroughly satisfied man - and I will show you a failure.

The stomach is the only part of man which can be fully satisfied. The yearning of man's brain for new knowledge and experience and for more pleasant and comfortable surroundings never can be completely met. It is an appetite which cannot be appeased.