Thomas Edison tried and failed nearly 2,000 times to develop the carbonized cotton-thread filament for the incandescent light bulb.
And when asked about it, he said "I didn't fail; I found out 2,000 ways how not to make a light bulb," but he only needed one way to make it work.
And when asked about it, he said "I didn't fail; I found out 2,000 ways how not to make a light bulb," but he only needed one way to make it work.
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