NUM86 R. Levi said: If one utters a word [i.e., if he renders a decision] in the presence of his master, he goes to his grave without a child, as it is written:" "And Joshua answered … and said: My lord, Moses, confine them!" and it is written (I Chronicles 7:27): "Nun, his son, Joshua, his son" [the line ending there] (Eruvin 63b)
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