Anything That Won't Sell, I Don't Want

I Know Of Over 3,000 Ways [that] A Light Bulb Does Not Work.

First, Study The Present Construction. Second, Ask For All Past Experiences ...study And Read Everything You Can On The Subject.

Be Brave As Your Fathers Before You. Have Faith And Go Forward.

When There's No Experimenting There's No Progress. Stop Experimenting And You Go Backward. If Anything Goes Wrong, Experiment Until You Get To The Very Bottom Of The Trouble.

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.