I Never Quit Until I Get What

We Have Merely Scratched The Surface Of The Store Of Knowledge Which Will Come To Us. I Believe That We Are Now, A-tremble On The Verge Of Vast Discoveries - Discoveries So Wondrously Important They Will Upset The Present Trend Of Human Thought And Start It Along Completely New Lines .

Of All My Inventions, I Liked The Phonograph Best

There Is Always A Better Way.

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

We Haven't Failed. We Now Know A Thousand Things That Won't Work, So We Are Much Closer To Finding What Will.