A Physical Law Must Possess Mathematical Beauty.

It Is More Important To Have Beauty In One's Equations Than To Have Them Fit Experiment.

If We Are Honest - And Scientists Have To Be - We Must Admit That Religion Is A Jumble Of False Assertions, With No Basis In Reality.

The Measure Of Greatness In A Scientific Idea Is The Extent To Which It Stimulates Thought And Opens Up New Lines Of Research.

A Termination Of One's Life Is Necessary In The Scheme Of Things To Provide A Logical Reason For Unselfishness. . . . The Fact That There Is An End To One's Life Compels One To Take An Interest In Things That Will Continue To Live After One Is Dead.

I Learnt To Distrust All Physical Concepts As The Basis For A Theory. Instead One Should Put One's Trust In A Mathematical Scheme, Even If The Scheme Does Not Appear At First Sight To Be Connected With Physics. One Should Concentrate On Getting Interesting Mathematics.