It is the best book ever written on the subject. There is nothing like it!

Every failure is a lesson learned about your strategy.

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.

The real measure of success is the number of experiments that can be crowded into 24 hours.

The injurious agent in cigarettes comes principally from the burning paper wrapper. The substance thereby formed is called "acrolein." It has a violent action on the nerve centers, producing degeneration of the cells of the brain, which is quite rapid among boys. Unlike most narcotics, this degeneration is permanent and uncontrollable. I employ no person who smokes cigarettes.

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

Let the public throw bouquets to the inventors and in time we will all be happy.