Famous quotes containing the words maintain and/or engineering:
“He should be as vigorous as a sugar maple, with sap enough to maintain his own verdure,... and not like a vine, which being cut in the spring bears no fruit, but bleeds to death in the endeavor to heal its wounds.”
—Henry David Thoreau (18171862)
“Mining today is an affair of mathematics, of finance, of the latest in engineering skill. Cautious men behind polished desks in San Francisco figure out in advance the amount of metal to a cubic yard, the number of yards washed a day, the cost of each operation. They have no need of grubstakes.”
—Merle Colby, U.S. public relief program (1935-1943)
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