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.

Not only will atomic power be released, but someday we will harness the rise and fall of the tides and imprison the rays of the sun.

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

When you become quiet, it just dawns on you

IF PARENTS PASS ENTHUSIASM ALONG TO THEIR CHILDREN, THEY WILL LEAVE THEM AN ESTATE OF INCALCULABLE VALUE

The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.

I never did anything worth doing entirely by accident. . . Almost none of my inventions came about totally by accident. They were achieved by having trained myself to endure and tolerate hard work.