Reference for Bekhorot 106:19

ואימא הכי נמי

For it has been taught: And commit a trespass against the Lord,<span class="x" onmousemove="('comment',' Lev. V, 21, Scripture adding: 'And lie against his neighbour', implying a trespass which is at the same time 'against the Lord' and 'against his neighbour'.');">¹⁴</span>

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