The Reason A Lot Of People Do

Of The 200 Light Bulbs That Didn't Work, Every Failure Told Me Something That I Was Able To Incorporate Into The Next Attempt.

The Perils Of Overwork Are Slight Compared With The Dangers Of Inactivity.

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.

Being Busy Does Not Always Mean Real Work.

I Never Pick Up An Item Without Thinking Of How I Might Improve It. I Never Perfected An Invention That I Did Not Think About In Terms Of The Service It Might Give Others. I Want To Save And Advance Human Life, Not Destroy It. I Am Proud Of The Fact That I Never Invented Weapons To Kill. The Dove Is My Emblem.