There is no substitute for hard work. Thomas A. Edison hardsubstitutework Change image and share on social
Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success. Thomas A. Edison inventproofsale Change image and share on social
The value of an idea lies in the using of it. Thomas A. Edison idealie Change image and share on social
I never did a day's work in my life. It was all fun. Thomas A. Edison dayfunlife Change image and share on social
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time. Thomas A. Edison givegreatlie Change image and share on social
To have a great idea, have a lot of them. Thomas A. Edison greatidealot Change image and share on social
There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever. Thomas A. Edison abandonabsolutelyappall share on social
I have friends in overalls whose friendship I would not swap for the favor of the kings of the world. Thomas A. Edison favorfriendfriendship Change image and share on social
I am proud of the fact that I never invented weapons to kill. Thomas A. Edison factinventkill Change image and share on social
