Famous quote by Robert A. Heinlein

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Never worry about theory as long as the machinery does what its supposed to do
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"Never worry about theory as long as the machinery does what it's supposed to do"

- Robert A. Heinlein

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USA Flag This quote is written / told by Robert A. Heinlein between July 7, 1907 and May 8, 1988. He/she was a famous Writer from USA. The author also have 35 other quotes.

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