Members of Alif Laam Meem held signs that said “Muslims Say No to Domestic Violence” and “Muslims Say Yes to Women’s Rights” at the Men’s Rally Against Domestic Violence in Dallas on March 24 to protest the abuse of women and to put a positive face on a religion they say is often misunderstood.

The same holds true for Pervaz Akhtar, a tailor who keeps a shop a few blocks from the center’s site — and who lost his first shop and nearly his life in the Sept. 11 attacks. “There is a principle involved,” Mr. Akhtar, 58, said. “We believe in the American Constitution.”