Specifically, the part where in the early 19th century America reconstituted the U.S. Marine Corps to battle the Islamic Barbary Pirates, though I don't think that's what Obama meant.
Specifically, the part where ...
Quotes from the same author
Here at home, we will strengthen our defenses but not succumb to a siege mentality that sacrifices the open society and liberties and values that we cherish as Americans, because great and proud nations don't hunker down and hide behind walls of suspicion and mistrust.
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
No party has a monopoly on wisdom. No democracy works without compromise.
If you're walking down the right path and you're willing to keep walking, eventually you'll make progress.
Focusing your life solely on making a buck shows a poverty of ambition. It asks too little of yourself. And it will leave you unfulfilled.