A Theory That You Can't Explain To

It Was Almost As Incredible As If You Fired A 15-inch Shell At A Piece Of Tissue Paper And It Came Back And Hit You.

A Good Scientific Theory Should Be Explicable To A Barmaid.

All Of Physics Is Either Impossible Or Trivial. It Is Impossible Until You Understand It, And Then It Becomes Trivial.

The More Physics You Have The Less Engineering You Need.

It Is Essential For Men Of Science To Take An Interest In The Administration Of Their Own Affairs Or Else The Professional Civil Servant Will Step In - And Then The Lord Help You.