Community… aspires toward stability. It strives to balance change with constancy. That is why community life places such high value on neighborly love, marital fidelity, local loyalty, the integrity and continuity of family life, respect for the old, and instruction of the young. And a vital community draws its life, so far as possible, from local sources. It prefers to solve its problems, for example, by non-monetary exchanges of help, not by buying things.