The Only Time You Mustn't Fail Is

Why Is The Human Skull As Dense As It Is? Nowadays We Can Send A Message Around The World In One-seventh Of A Second, But It Takes Years To Drive An Idea Through A Quarter-inch Of Human Skull.

Inventing Is A Combination Of Brains And Materials. The More Brains You Use, The Less Material You Need.

Every Honest Researcher I Know Admits He's Just A Professional Amateur. He's Doing Whatever He's Doing For The First Time. That Makes Him An Amateur. He Has Sense Enough To Know That He's Going To Have A Lot Of Trouble, So That Makes Him A Professional.

There Has Never Been Any 30-hour Week For Men Who Had Anything To Do.

An Inventor Fails 999 Times, And If He Succeeds Once, He's In. He Treats His Failures Simply As Practice Shots.