I think that Ingersoll had all the attributes of a perfect man, and, in my opinion, no finer personality ever existed. Judging from the past, I cannot help thinking that the intention of the Supreme Intelligence that rules the world is to ultimately make such a type of man universal.

I have not failed. I've just found 10,000 foundations and individual donors whose priorities don't align with my organization's.

To invent, you need a good imagination and a pile of junk.

The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.

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

Be brave as your fathers before you. Have faith and go forward.

Radio is just a fashion contrivance that will soon die out. It is obvious that there never will be invented a proper receiver!