Direct Thought Is Not An Attribute Of

If I Could Solve All The Problems Myself, I Would.

The Only Time I Really Become Discouraged Is When I Think Of All The Things I Would Like To Do And The Little Time I Have In Which To Do Them.

Barring Serious Accidents, If You Are Not Preoccupied With Worry And You Work Hard, You Can Look Forward To A Reasonably Lengthy Existence.... Its Not The Hard Work That Kills, Its The Worrying That Kills.

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 .

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.