"men are undoubtedly more in danger from prosperity than from adversity. for when matters go smoothly, they flatter themselves, and are intoxicated by their success"

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We must face the fact that the United States is neither omnipotent nor omniscient, that we cannot impose our will upon the other 94 percent of mankind, that we cannot right every wrong or reverse every adversity, and that therefore there cannot be an American solution to every world problem.

— John F. Kennedy