Nature Is Truly Wonderful. Only Man Is

When You Have Exhausted All Possibilities, Remember This - You Haven't.

Discontent Is The First Necessity Of Progress.

Success Is The Product Of The Severest Kind Of Mental And Physical Application.

I Never Did Anything Worth Doing Entirely By Accident. . . Almost None Of My Inventions Came About Totally By Accident. They Were Achieved By Having Trained Myself To Endure And Tolerate Hard Work.

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