"
Science summons us
"To that cathedral, boundless as our wonder,
Whose quenchless lamps the sun and moon supply;
Its choir the winds and waves, its organ thunder,
Its dome the sky." [3]
Where the untrained eye will see nothing but mire and dirt, Science will
often reveal exquisite possibilities. The mud we tread under our feet in
the street is a grimy mixture of clay and sand, soot and water. Separate
the sand, however, as Ruskin observes--let the atoms arrange themselves in
peace according to their nature--and you have the opal. Separate the clay,
and it becomes a white earth, fit for the finest porcelain; or if it still
further purifies itself, you have a sapphire. Take the soot, and if
properly treated it will give you a diamond. While, lastly, the water,
purified and distilled, will become a dew-drop, or crystallize into a
lovely star. Or, again, you may see as you will in any shallow pool either
the mud lying at the bottom, or the image of the heavens above.
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