"Peggy Noonan, an American political pundit, wrote in The Wall Street Journal that "America is not exceptional because it has long attempted to be a force for good in the world, it tries to be a force for good because it is exceptional".
No year given but she was a "primary speechwriter and Special Assistant to President Ronald Reagan from 1984 to 1986"
"...For space science, like nuclear science and technology, has no conscience of its own. Whether it will become a force for good or ill depends on man, and only if the United States occupies a position of preeminence can we help decide whether this new ocean will be a sea of peace or a new terrifying theater of war."
It had clearly become something of a trope used by many historians when John McCain stated that, “The United States is the greatest force for good in the world. We have not an obligation to go out and start wars but to spread democracy and freedom throughout the world.”