I Have Had A Lot Of Success

I Never Once Made A Discovery ... I Speak Without Exaggeration That I Have Constructed Three Thousand Different Theories In Connection With The Electric Light ... Yet In Only Two Cases Did My Experiments Prove The Truth Of My Theory.

I Never Did Anything Worth Doing Entirely By Accident. . . Almost None Of My Inventions Came About Totally By Accident. They Were Achieved By Having Trained Myself To Endure And Tolerate Hard Work.

Youth Doesn't Take Advice.

Failure Is Really A Matter Of Conceit. People Don't Work Hard Because, In Their Conceit, They Imagine They'll Succeed Without Ever Making An Effort. Most People Believe That They'll Wake Up Some Day And Find Themselves Rich. Actually, They've Got It Half Right, Because Eventually They Do Wake Up.

Seeming To Do Is Not Doing.