the LORD thy God. Jehovah thy Elohim = the triune God.
hand. Some codices, with some early printed editions, and Samaritan Pentateuch, The Targum of Jonathan ben Uzziel Septuagint, Syriac, and Vulgate, read "hands".
forty years. Compare Neh_9:21.
nothing. Hebrew "not a word": i.e. of what Jehovah had promised. Compare Deu_8:2-4.