I Start Where The Last Man Left

I Consider Paine Our Greatest Political Thinker. As We Have Not Advanced, And Perhaps Never Shall Advance, Beyond The Declaration And Constitution, So Paine Has Had No Successors Who Extended His Principles.

Of All My Inventions, I Liked The Phonograph Best

I Am Afraid Of Radium And Polonium ... I Don't Want To Monkey With Them.

I Have Not Failed. I Have Successfully Discovered 1200 Ideas That Don't Work.

Our Greatest Weakness Lies In Giving Up. The Most Certain Way To Succeed Is Always To Try Just One More Time.