And Moses spake unto all the congregation of the children of Israel,.... Continued his speech to them, being convened by him, after by way of preface he had repeated the law of the sabbath, with an additional circumstance to it, "pro tempore": saying, this is the thing which the Lord commanded; ordered Moses to inform them of as his will, when he was with him upon the mount the first time; but through their idolatry, and time spent in making up matters between God and them, he had not had till now an opportunity of acquainting them with it: saying; as follows.