"I owe my success to the fact that I never had a clock in my workroom. Seventy-five of us worked twenty hours every day and slept only four hours — and thrived on it."

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Source : "Defending and Parenting Children Who Learn Differently : Lessons from Edison's Mother". Book by Scott Teel, 2007.

Thomas A. Edison

#Four Quotes #Facts Quotes #Twenties Quotes

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