Regardless of your family's level of observance, Shabbat has the potential to enrich your spiritual life. But many families, even more observant ones, miss the forest for the trees.
In this classic, 136-page meditation on the meaning of the seventh day, Heschel presents the idea of an "architecture of holiness" that appears not in space but in time. Judaism, he argues, is a religion of time: it finds meaning not in space and the material things that fill it but in time and the eternity that imbues it, so that "the Sabbaths are our great cathedrals."