"When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us."

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Source: Episodes in the History of Modern Algebra (1800-1950). Book edited by Karen Hunger Parshall and‎ Jeremy J. Gray, September 6, 2007.

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Alexander Graham Bell

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Alexander Graham Bell was a Scottish-born inventor known for creating the first practical telephone, profoundly impacting communication technology.

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