The three things that are essential to achievement are hard work, common sense and stick-to-it-iv-ness…
Opportunity is missed by most people because it is dressed in overalls and looks like work…
There seems to be no limit to which some men will go to avoid the labor of thinking. Thinking is hard work…
Genius is one per cent inspiration and ninety-nine per cent perspiration…
A genius is a talented person who does his homework. I never did anything worth doing by accident…
1877: Thomas Edison suggests using the word hello as a telephone greeting. The idea catches on.