And then, you have the quarrel between Sudan and Chad, with the Sudanese accusing the Chadians of backing the Darfur rebels, and the Chadians accusing the Sudanese of supporting Chadian rebels, who are trying to overthrow the Chadian president.

NPR: Negotiations for Darfur Peace Extended in Nigeria

And the group's leadership has no quarrel with Muslims.

ECONOMIST: Assam��s largest tribe goes to war with its Muslims

His stance led to the quarrel with Jean-Paul Sartre and others at Les Temps Modernes, postwar Paris's leading intellectual magazine.

WSJ: Book Review: Algerian Chronicles

MS. NORRIS: Now, you might quarrel with the timing of these firings, and even in the way that these firings were carried out.

NPR: Leahy Vows to Unveil Events that Led to Firings

And the moment we fail to recognize the good in those with whom we quarrel, is the moment that we've lost sight of who we are as a people.

WHITEHOUSE: THE WHITE HOUSE

Some revisionist history can leave the reader up in the air, wondering why, in the light of the historian's myth-busting, Catholic and Protestant bothered to quarrel with each other at all.

ECONOMIST: Irish history

No quarrel, of course, with the virtuous aim of providing basic health and education.

ECONOMIST: Good-bye to poverty, maybe, perhaps

The Americans share the Europeans' desire to see Turkey improve its human-rights record and ease its quarrel with Greece.

ECONOMIST: Turkey and the EU

Papa followed him outside and told him to surrender the rifle as he was in no fit state to start a quarrel with a gun in his hand.

NPR: Excerpt: 'True Grit'