Kabbalah for Chagigah 5:7
האי מלמען ישמעו נפקא אלא ודאי למען ילמדו הוא
but assuredly it is here, "in order that they may teach."
Or Neerav
It occurs to those who succeed in this science, that when they search these treatises many times, their knowledge will increase. In a similar context we say, There is no investigation without new [knowledge resulting].
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