... '43 has come up from Babylon; let the Master therefore look very carefully into tomorrow's lecture.' On the morrow R. Kahana was seated on the first row of disciples before R. Johanan, but as the latter made one statement and the former did not raise any difficulty, another statement, and the former raised no difficulty, R. Kahana was put back through the seven rows until he remained seated upon the very last row. R. Johanan thereupon said to R. Simeon b. Lakish: 'The lion you mentioned turns out to be a [mere] fox.' 44
Babylonian Talmud: Tractate Baba Kamma
Folio 117a