The standards had also other distinguishing characteristics. Judah's standard bore in its upper part the figure of a lion, for its forefather had been characterized by Jacob as "a lion's whelp," and also sword-like hooks of gold. On these hooks God permitted a strip of the seventh cloud of glory to rest, in which were visible the initials of the names of the three Patriarchs, Abraham, Isaac, and Jacob, the letters being radiations from the Shekinah. Reuben's standard had in its upper part the figure of a man, corresponding to the mandrakes that Reuben, forefather of this tribe, found, for this plant had the form of a manikin. The hooks on this standard were like those on the standard of Judah, but the second letters of the names of the three Patriarchs, Bet, Zade, and 'Ayyin were seen above them in the cloud. In the standard of Ephraim was fashioned the form of a fish, for Jacob had blessed the forefather of this tribe by telling him to multiply like a fish; in all other respects it was like the other two standards, save the above the sword-like hooks of gold were seen the third letters in the names of the Patriarchs, Resh, Het, and Kof. Dan's standard contained the form of a serpent, for "Dan shall be a serpent by the way," was Jacob's blessing for this tribe; and the gleaming letters over the hooks were: Mem for Abraham, Kof for Isaac, and Bet for Jacob. The letter He of Abraham's name was not indeed visible over the standards, but was reserved by God for a still greater honor. For, over the Holy Ark, God let a pillar of cloud rest, and in this were visible the letter Yod and He, spelling the name Yah, by means of which God had created the world. This pillar of cloud shed sunlight by day and moonlight by night, so that Israel, who were surrounded by clouds, might distinguish between night and day. These two sacred letters, Yod, He, would on week-days fly about in the air over the four standards, hovering now upon this, now upon that. But as soon as Friday was over and the Sabbath began, these letters stood immovable on the spot where they chanced to be at that moment, and remained in this rigid position from the first moment of the Sabbath to the last. Whenever God wanted Israel to break up camp and move on, He would send on from its place over the Ark the cloud in which beamed the two sacred letters Yod and He in the direction in which Israel was to march, and the four strips of cloud over the standards would follow. As soon as the priests saw the clouds in motion, they blew the trumpets as a signal for starting, and the winds thereupon from all sides breathed myrrh and frankincense. [443]