Edison on Failure

I have not failed.  I’ve found 10,000 ways that won’t work.
– Thomas Alva Edison (1847 – 1931)

This was an answer to a question from a newspaper reporter when Edison was working on the alkaline battery, btw – it took 10 years and 50,000 experiments. It cost him one million dollars of his own money for research, but he recovered his money from sales of the batteries.

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Einstein on Relativity

“When a man sits with a pretty girl for an hour
it seems like a minute.
But let him sit on a hot stove for a minute —
and it’s longer than any hour.
That’s relativity.”
—Einstein