I never knew I had an inventive talent until Phrenology told me so. I was a stranger to myself until then!

I am 67, but I'm not too old to make a fresh start.

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.

I get my ideas from listening from within.

The thing I lose patience with the most is the clock. Its hands move too fast

There is always a better way.

Fooling around with alternating currents is just a waste of time. Nobody will use it, ever. It's too dangerous . . . it could kill a man as quick as a bolt of lightning. Direct current is safe.