Edison didn't invent the light bulb...Edison invented the electric industry.

Interview, Hot Wired (August 1996)
Inventor is a person who makes an ingenious arrangement of wheels, levers and springs, and believes it is civilization
Doubt is the father of invention
Necessity... the mother of invention
Order, unity, and continuity are human inventions, just as truly as catalogues and encyclopedias
Name the greatest of all inventors. Accident


On Anger: "For every minute you remain angry, you give up sixty seconds of peace of mind."
On Destiny: "Our destiny exercises its influence over us even when, as yet, we have not learned its nature: it is our future that lays down the law of our today."
Human, All Too Human
On Friendship: "A crowd is not company; and faces are but a gallery of pictures; and talk but a tinkling cymbal, where there is no love."