“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.”

Thomas Edison
Original source
Diary entry, as quoted in ''Defending and Parenting Children Who Learn Differently : Lessons from Edison's Mother'' (2007) by Scott Teel, p. 12

Recommended reading

Curated resources for this quote coming soon.

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