anayase bhava-ksaya, krsnera sevana
eka krsna-namera phale pai eta dhana
anayase—without hard labor; bhava-ksaya—stoppage of repetition of birth and death; krsnera—of Lord Krsna; sevana—service; eka—one; krsna-namera—chanting the name of Krsna; phale—as a result of; pai—we achieve; eta—so much; dhana—wealth.
As a result of chanting the Hare Krsna maha-mantra, one makes such great advancement in spiritual life that simultaneously his material existence terminates and he receives love of Godhead. The holy name of Krsna is so powerful that by chanting even one name, one very easily achieves these transcendental riches.
Link to this page: http://prabhupadabooks.com/cc/adi/8/28