Benjamin Franklin (1706-1790)

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Work as if you were to live a hundred years, pray as if you were to die tomorrow (BrainyQuote, Franklin).  Added 1/1/2019

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Speak ill of no man, but speak all the good you know of everybody (Thinkexist.com, Franklin).  Added 2/2/2013

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The photo of Ben Franklin is in the Public Domain.

George Washington Carver (1864-1943)

George Washington Carver (1910)

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No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it (Source). Added 7/8/2013

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The photo of George Washington Carver is in the Public Domain because it's copyright has expired.

Albert Einstein (1879-1955)

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Everybody is a genius. But, if you judge a fish by its ability to climb a tree, it'll spend its whole life believing it is stupid (Source).  Added 4/27/2012

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Not everything that can be counted counts, and not everything that counts can be counted (Source). Added 4/13/2012

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The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing (Source). Added 9/3/11.

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Photo: The photo in this post is in the Public Domain and was obtained from Wikipedia. 

Booker T. Washington (1856-1915)

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If you want to lift yourself up, lift up someone else (Source).  Added 4/18/2012

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The photo of Booker T. Washington is in the Public Domain.