A Genius Is A Man Who Has

Knowledge Is Not A Loose Leaf Notebook Of Facts.

Mass, Time , Magnetic Moment, The Unconscious: We Have Grown Up With These Symbolic Concepts, So That We Are Startled To Be Told That Man Had Once To Create Them For Himself. He Had Indeed, And He Has: For Mass Is Not An Intuition In The Muscle, And Time Is Not Bought Ready-made At The Watchmaker's.

We Are All Afraid For Our Confidence, For The Future, For The World. That Is The Nature Of The Human Imagination. Yet Every Man, Every Civilization, Has Gone Forward Because Of Its Engagement With What It Has Set Itself To Do.

Science Is A Very Human Form Of Knowledge. We Are Always At The Brink Of The Known; We Always Feel Forward For What Is To Be Hoped. Every Judgment In Science Stands On The Edge Of Error And Is Personal. Science Is A Tribute To What We Can Know Although We Are Fallible.

There Are Three Creative Ideas Which, Each In Its Turn, Have Been Central To Science. They Are The Idea Of Order, The Idea Of Causes, And The Idea Of Chance.