The true measure of my life will be how many lives I changed for the better.

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"I really feel that the next paradigm for product design will be changed by the Internet and the new range of materials we now have, " he said.

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So if I make a claim that I'm reducing greenhouse gases because I've changed mileage standards on cars, there will be a process whereby people will be able to take a look and say, is that in fact in effect?

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But acceptance will finally come as I make peace with what I know can't be changed.

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