When a painter is creating a work, stroke by stroke, you cannot see its perfection until it has been finished; and when a sculptor is carving a block of stone into a statue like the Statue of Liberty [THE STATUE OF LIBERTY IS A CAST COPPER/IRON PIECE, JOBB, BUT BARTHOLDI LIKELY CARVED THE MODEL OUT OF SOME SOFTER MATERIAL THAN STONE], chip by chip, there may be many imperfections while the sculpture is still unfinished. By analogy, science is still imperfect when it is in its experimental stage.
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