Something similar happens in Yoma 76a, where Rabbi Elazar HaModai deduces that “the manna that fell for the Jewish people was 60 cubits high”—about 90 feet. At first, Rabbi Tarfon is skeptical, saying, “Modai, how long will you collect words?”—that is, speak meaninglessly. But Elazar HaModai has the figures to support his assertion. When the flood came in Noah’s time, he points out, the waters rose 15 cubits above the earth. Now, the flood happened because “the windows of heaven were opened.” But in the case of the manna, the book of Psalms says that God “opened the doors of Heaven.” And a door, Elazar calculates, is four times the size of a window. Thus the manna should be four times as high as the waters—that is, 60 cubits.As Mr. Kirsch observes, this instance of Talmudic creativity is not without its problems. But it does illustrate how carefully the rabbis attended to intertextual connections within scripture. Read the whole column for examples of how jurisprudence fits in.
Earlier Daf Yomi columns are noted here and links.