A question at the heart of everything...‏

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«At the heart of everything 

is a question, not an answer. 

When we peer down 

into the deepest recesses of matter 

or at the farthest edge of the universe, 

we see, finally, our own puzzled faces 

looking back at us.»

              John Archibald Wheeler

Cited in John Horgan, The End of Science, 

(Little, Brown & Company, 1998).