There Has Never Been Any 30-hour Week

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

Thinking Is One Thing No One Has Ever Been Able To Tax.

It Doesn't Matter If You Try And Try And Try Again, And Fail. It Does Matter If You Try And Fail, And Fail To Try Again.

An Inventor Is Simply A Fellow Who Doesn't Take His Education Too Seriously.

I Could Do Nothing Without My Problems; They Toughen My Mind. In Fact, I Tell My Assistants Not To Bring Me Their Successes For They Weaken Me, But Rather To Bring Me Their Problems, For They Strengthen Me.