I Never Failed. It Just Didn't Work

The First Requisite Of Success Is The Ability To Apply Your Physical And Mental Energies To One Problem Without Growing Weary.

The Beauty Of A Great Idea Lies In The Art Of Using It.

We Are Like Tenant Farmers Chopping Down The Fence Around Our House For Fuel When We Should Be Using Nature's Inexhaustible Sources Of Energy - Sun, Wind And Tide. ... I'd Put My Money On The Sun And Solar Energy. What A Source Of Power! I Hope We Don't Have To Wait Until Oil And Coal Run Out Before We Tackle That.

I Never Failed Once. It Just Happened To Be A 2000-step Process.

I Never Once Failed At Making A Light Bulb. I Just Found Out 99 Ways Not To Make One.