Luck, both good and bad, plays a part in every life--though people tend to imagine that the good luck is a consequence of personal merit, while the bad luck springs from some malevolent outside source.

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But then it all changed, and from an unexpected source, as Carragher tried his luck from the edge of the box and while his luck was good, Pogatez's was not and the ball flew in off the unfortunate defender.

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Moreover, building better machines is something that we have had ton of luck at over the past several hundred years and is a more reliable source of growth than finding new easy-to-get deposits of oil and gas or decreasing the long run volatility in energy prices.

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