A Garnet gem

Abolitionist and clergyman Henry Highland Garnet addressed the National Convention of Colored Citizens in 1843 with these words: “Rather die freemen than live to be slaves . . . let your motto be resistance. . .’’ This is the theme for “Let Your Motto Be Resistance: African American Portraits,’’ a traveling photographic exhibit presented by the Museum of African American History and the Smithsonian Institution. More than 60 stunning shots include Malcolm X (below), Sarah Vaughan, and Martin Luther King, Jr. Today, 10 a.m.-4 p.m. (through Jan. 10). Free. Museum of African American History, 46 Joy St., Boston. 617-725-0022. www.maah.org