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abo ve could keep the species going.161  Hopefully, the survivors could carry
on the knowledge we've acquired so far, and with that wisdom and their
own fresh discoveries, someday learn to overcome what we could not.
We need a new horizon, a new sense of purpose, a new set of goals, a
new frontier to move once again with might and majesty, with a sense of zest
that makes life worth living, through the world in which we live.  One of the
few frontiers left to us hangs above our heads.
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