I Think Work Is The

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

Large Portions Of Life's Disappointments Are Individuals Who Did Not Understand That They Were So Near Achievement When They Surrendered.

I Would Construct And Work Along Various Lines Until I Found Them Untenable. When One Theory Was Discarded, I Developed Another At Once. I Realized Very Early That This Was The Only Possible Way For Me To Work Out All The Problems.

I Never Knew I Had An Inventive Talent Until Phrenology Told Me So. I Was A Stranger To Myself Until Then!

I Did Not Fail Two Thousand Times. I Merely Found Two Thousand Ways Not To Make A Lightbulb.