"When you've exhausted all possibilities, remember this: You Haven't!"
— Thomas Edison

January 1, 1970

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Added on April 10, 2026
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Engineers from the United StatesAcademics from the United StatesPeople from OhioInventorsElectrical engineers
Original Language: English

Sources

Not located in Edison's writings, but found in Robert H. Schuller's self-help book Tough Times Never Last, But Tough People Do! from 1983.