A Model Should Be As

Concern For Man Himself Must Always Constitute The Chief Objective Of All Technological Effort

Creating A New Theory Is Not Like Destroying An Old Barn And Erecting A Skyscraper In Its Place. It Is Rather Like Climbing A Mountain And Gaining New And Wider Views.

What Lead Me More Or Less Directly To The Special Theory Of Relativity Was The Conviction That The Electromotive Force Acting On A Body In Motion In A Magnetic Field Was Nothing Else But An Electric Field.

When I Have One Week To Solve A Seemingly Impossible Problem, I Spend Six Days Defining The Problem. Then, The Solution Becomes Obvious.

It Is Difficult Even To Attach A Precise Meaning To The Term "scientific Truth." So Different Is The Meaning Of The Word "truth" According To Whether We Are Dealing With A Fact Of Experience, A Mathematical Proposition Or A Scientific Theory. "religious Truth" Conveys Nothing Clear To Me At All.