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Thinking is the hardest work there is, which is probably the reason so few engage in it.

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Whether you think you can, or you think you can't--you're right.

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Thinking is the hardest work there is, which is probably the reason why so few engage in it.

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You say I started out with practically nothing, but that isn't correct. We all start with all there is, it's how we use it that makes things possible.

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A business absolutely devoted to service will have only one worry about profits. They will be embarrassingly large.