Reference for Bekhorot 100:32

ולא תימא סלע ארבע זוזי אלא פלגא דזוזא דקרי אינשי סלע פלגא דזוזא

For we have learnt: If one boxes his neighbour's ear,<span class="x" onmousemove="('comment',' Aliter: Who shouts in his neighbour's ear.');">²⁶</span>

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