Success Is 90% Perspiration And 10% Inspiration!

It Is Remarkable To What Lengths People Will Go To Avoid Thought.

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 Try Not To Invent Things That People Don't Need.

I Was Always Afraid Of Things That Worked The First Time. Long Experience Proved That There Were Great Drawbacks Found Generally Before They Could Be Got Commercial; But Here Was Something There Was No Doubt Of.

Most Of The Exercise I Get Is From Standing And Walking Around Laboratory Tables All Day. I Derive More Benefit And Entertainment From This Than Some Of My Friends And Competitors Get From Playing Games Like Golf.