The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness.
Thomas A. EdisonMy principal business is giving commercial value to the brilliant - but misdirected - ideas of others.
Thomas A. EdisonI 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.
Thomas A. EdisonI 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.
Thomas A. Edison