The Present Situation In Physics Is As

This Attitude Of Mind - This Attitude Of Uncertainty - Is Vital To The Scientist, And It Is This Attitude Of Mind Which The Student Must First Acquire. It Becomes A Habit Of Thought. Once Acquired, We Cannot Retreat From It Anymore.

We Have Found It Of Paramount Importance That In Order To Progress, We Must Recognize Our Ignorance And Leave Room For Doubt.

Science Is A Way For Us To Not Fool Ourselves.

We Have Been Led To Imagine All Sorts Of Things Infinitely More Marvelous Than The Imagining Of Poets And Dreamers Of The Past. It Shows That The Imagination Of Nature Is Far, Far Greater Than The Imagination Of Man. For Instance, How Much More Remarkable It Is For Us All To Be Stuck-half Of Us Upside Down-by A Mysterious Attraction, To A Spinning Ball That Has Been Swinging In Space For Billions Of Years, Than To Be Carried On The Back Of An Elephant Supported On A Tortoise Swimming In A Bottomless Sea.

There Are 10^11 Stars In The Galaxy. That Used To Be A Huge Number. But It's Only A Hundred Billion. It's Less Than The National Deficit! We Used To Call Them Astronomical Numbers. Now We Should Call Them Economical Numbers.