Reference for Niddah 140:32

משל למלך בשר ודם שעשה סעודה לעבדיו ומשגר לאוהביו ממה שלפניו

'Three were concerned with matters of conduct': What must a man do that he may become wise? He replied: Let him engage much in study<span class="x" onmousemove="('comment',' Lit., 'in sitting (in the schoolhouse)'. ');">²⁷</span>

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