I can never pick up a thing without wishing to improve it.
I did not fail two thousand times. I merely found two thousand ways not to make a lightbulb.
Success is based on imagination plus ambition and the will to work.
Do the thing and the power will come.
A teacher sent the following note home with a six-year-old boy 'He is too stupid to learn.' That boy was Thomas A. Edison.
The only time I really become discouraged is when I think of all the things I would like to do and the little time I have in which to do them.