[146] and let the mind labour not only to follow God without any relaxation or want of vigour, but also to walk onwards by the straight path, turning to neither side, neither to the right nor yet to the left, as the earthly Edom did, seeking out of the way lurking places, at one time being full of excesses and superfluities, and at another of differences and short comings; for it is better to proceed along the middle road, which is that which is really the royal road, and which the great and only King, God, has widened to be a most suitable abode for the souls that love virtue.