The World Can Only Be Grasped By

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.

All Science Is The Search For Unity In Hidden Likenesses.

That Series Of Inventions By Which Man From Age To Age Has Remade His Environment Is A Different Kind Of Evolution -- Not Biological, But Cultural Evolution . . . "the Ascent Of Man.

To Imagine Is The Characteristic Act, Not Of The Poet's Mind, Or The Painter's, Or The Scientist's, But Of The Mind Of Man.

You Will Die But The Carbon Will Not; Its Career Does Not End With You. It Will Return To The Soil, And There A Plant May Take It Up Again In Time, Sending It Once More On A Cycle Of Plant And Animal Life.