We worked on solving the ...

We worked on solving the problem of voice communications in a noisy military environment. We established military codes that are highly audible and invented selection tests for personnel who had a superior ability to recognize sound in a noisy background.
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 M. H. Abrams

Quotes from the same author

The theories of the major philosophers of the 18th century secular enlightenment were biblical and theological in spite of themselves.
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 M. H. Abrams
At first, students tend to freeze at the first effort. The breakthrough comes when they realize that they can make it better - can identify what their purposes were and realize better ways to achieve those purposes.
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 M. H. Abrams