Contributed by David Carrier / Sobia Ahmad makes silver fiber prints and inkjet images responding to Sufi traditions of poetry and oral storytelling. Her The Breath within the Breath is a 30-foot-long inkjet print on Japanese paper, mounted on a platform running diagonally across the gallery. Maggie Bjorklund does oil paintings. Her Assumption of the Virgin (After Titian) is a close-up rendering of that subject. Centa Schumacher manipulates photographic images, and her Salt Fork, Rain on Lake superimposes a white circle on an archival inkjet print. Elijah Burger had developed private codes of quasi-abstract images, like Hex Centrifuge. The unifying theme of the four-artist exhibition “I Believe I Know” that includes this work, now up at the Tomayko Foundation in Pittsburgh, is concern with transcendence. With due reference to William James’s The Variety of Religious Experience, the four artists’ shared goal is to offer visual presentations of mystical experiences. That is a familiar and traditional modernist theme, but here it receives strikingly original treatment.