I have determined that there is no market for talking pictures

I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.

The greatest discoveries will be along spiritual lines. This is the field where miracles are going to happen. Spiritual power is the greatest underdeveloped power and has the greatest future.

Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.

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

I remember that I was never able to get along at school. I was at the foot of the class.

Whatever the mind of man creates, should be controlled by man's character.