Hope requires a very careful symbolization. It must not be expressed too fully in the present tense because hope one can touch and handle is not likely to retain its promissory call to a new future. Hope expressed only in the present tense will no doubt be coopted by the managers of this age
Walter BrueggemannThose who participate in [sabbath] break the anxiety cycle. They are invited to awareness that life does not consist in frantic production and consumption that reduces everyone else to threat and competition.
Walter Brueggemann