Former President George W. Bush spoke at the 9/11 Memorial in Shanksville, Pennslyvania, where United Flight 93 crashed after passengers battled and defeated the hijackers.
Bush reflected on the bravery of these passengers amid the carnage that is unfolding across the country.
“Here, the intended targets have become the instruments of rescue, and many of those who are now alive owe an immense and unconscious debt to the challenge displayed in the sky above this field,” he said.
Bush spoke of the unity and heroism that took place in the days following the attacks, the spectacle of people grabbing another person’s hand and “coming together for the other.”
He also warned of the ever-lingering threat of terrorism, both foreign and domestic.
Bush said there is “little cultural overlap between violent extremists abroad and violent extremists at home.”
“They are like-minded children and it is our constant duty to confront them,” he said.
Bush also praised the country’s veterans and members of the military who have served since the attacks.
“None of the following, nothing can tarnish your honor or diminish your achievements. To you and the honored dead, our country will be forever grateful to you,” he said.