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The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.

Good policy requires both sound theory and empirical validation.

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

Leadership is about making tough decisions today that will benefit generations tomorrow.

過得最充實的人不是年齡最大的，而是經(jīng)歷最豐富的人。

The real challenge is not growing more, but growing better with fewer resources.

可持續(xù)性不再是一個選擇，而是一個商業(yè)必須。