If you still think there is some mathematical magic in rebalancing, then ask yourself why no one is creating arbitrage profits out of this phenomenon.

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Then ask yourself how much we should spend on peace.

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Far better to start with a story and then to ask yourself the most important and least asked (in my opinion) question in decision making: what could change my mind?

FORBES: Meeting the Big Data challenge: DON'T be objective

So the next time you read or hear about social decline, simply ask yourself what evidence do they have, and then ask whether it is really getting worse.

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The key, he said, to inventing wonderful things the world can't live without is to ask yourself what the world's biggest problems are and then set yourself a target - solving them.

BBC: My big, fat Welsh annual report.

Then, based on your answer, ask yourself one more question: What can I do or say that will helpthem?

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The next time a task arises, ask yourself about the end value and then determine the best approach.

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