"Until the end of the first watch," said R. Eliezer. Let us see: with whom does R. Eliezer agree? If he hold that the night is divided into three watches, then let him say "until the end of the fourth hour"; and if he hold that the night is divided into four watches, then let him say "Until the end of the third hour?" He holds indeed that the night has three watches, but he intends to inform us that just as there exist watches in Heaven, so there exist watches here on the earth; as we are taught that R. Eliezer says: "Three watches has the night; and at the beginning of every watch the Holy One, praised be He! sits and roars like a lion, as it is said (Jer. 25:30) "The Lord will roar from Heaven on high and from His holy dwelling shall He give forth His voice." Verily, He will roar over His habitation. And the divisions of the night are recognized by these signs: In the first watch the ass brays; in the second the dog barks; and in the third the baby nurses from its mother's breast and the wife converses with her husband."