I used to think, back in the sixties, that intelligence was far and away the most important factor you needed in government service. I still believe it’s vitally important—no one wants idiots to serve in the government. But character is an equally important function. Under the pressure of events, one never knows more than five, ten percent at most of what one needs to know about a decision. Often one has to make decisions based on two percent of the information one ought to have in order to make important decisions. So one needs a set of guiding principles, a value system, and rock-hard
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