Reference for Shevuot 86:8

מתניתין בדפריש שמואל בדלא פריש

Samuel said: If one lent a thousand zuz to his neighbour, who deposited with him as a pledge the handle of a saw;<span class="x" onmousemove="('comment',' Which is worth much less than the loan.');">¹²</span> if the handle of the saw was lost, the thousand zuz are lost;<span class="x" onmousemove="('comment',' Because the lender accepted it as sufficient security.');">¹³</span>

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