The Value Of An Idea Lies In

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.

His Genius He Was Quite Content In One Brief Sentence To Define; Of Inspiration One Percent, Of Perspiration, Ninety Nine.

Success Is The Result Of Hard Work.

X-rays ... I Am Afraid Of Them. I Stopped Experimenting With Them Two Years Ago, When I Came Near To Losing My Eyesight And Dally, My Assistant Practically Lost The Use Of Both Of His Arms.

There Is No Substitute For Hard Work.