While the grief was laced with special gratitude in the Shanksville commemoration, family survivors told of their own enduring pain a year later.
Today an ear infection troubled his concentration and he fought to quell any visible reaction to the enduring pain.
But Tolkien had better reason to know the enduring pains of necessary victory.
Or enduring pain?
Baran Khan suffered from cancer, which caused enduring pain while on remand in central jail Quetta.
Of all those affected by Munich, it is the athletes who have felt the most enduring pain.
The enduring pain will be boredom.
"There is absolutely nothing in my life," he said, "that comes close to the same level of pain and the same enduring pain."
He said that meant enduring pain.
When the "ultimate sacrifice" is made, it is the loved ones left behind when someone dies in the course of duty who bear the enduring pain.