We could use up two Eternities in learning all that is to be learned about our own world and the thousands of nations that have arisen and flourished and vanished from it. Mathematics alone would occupy me eight million years. – Mark Twain
In my age, as in my youth, night brings me many a deep remorse. I realize that from the cradle up I have been like the rest of the race — never quite sane in the night. – Mark Twain
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