until, when he reached between the two barriers, that is, the two engendered existences - that was his rank and original station, between the two sides of the two mountains of God; the marching east and west represent two journeys, one a descent and one an ascent - he found on this side of them a folk, namely, the natural faculties, the corporeal and the external sensoria, that could scarcely comprehend speech, on account of their being unable to perceive meanings or utter them.