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We begin to die, not in our senses or extremities, but in our divine faculties.
Our members may be sound, our sight and hearing perfect,
but our genius and imagination betray signs of decay.
You tell me that you are growing old and are troubled to see without glasses,
but this is unimportant if the divine faculty of the seer shows no signs of decay.
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~ Henry David Thoreau
from his journal, 1854
art by Roderick Maclver