A Genius Is A Man Who Has

To Me The Most Interesting Thing About Man Is That He Is An Animal Who Practices Art And Science And In Every Known Society Practices Both Together.

When Da Vinci Wanted An Effect, He Willed, He Planned The Means To Make It Happen: That Was The Purpose Of His Machines. But The Machines Of Newton ... Are Means Not For Doing But For Observing. He Saw An Effect, And He Looked For Its Cause.

Astronomy Is Not The Apex Of Science Or Of Invention. But It Is A Test Of The Cast Of Temperament And Mind That Underlies A Culture.

The Hand Is The Cutting Edge Of The Mind.

One Aim Of Physical Sciences Had Been To Give An Exact Picture The Material World. One Achievement Of Physics In The Twentieth Century Has Been To Prove That That Aim Is Unattainable.