Reference for Menachot 185:1

קראי למה לי קרבנו ולא קרבן חבירו קרבנו ולא קרבן עובד כוכבים קרבנו לרבות כל בעלי קרבן לסמיכה:

what is the real purpose of these verses? - [To teach the following:] 'His offering' [requires the laying on of hands], but not the offering of another.<span class="x" onmousemove="('comment',' A man may not lay his hands on his neighbour's offering even though he was instructed to do so on his behalf.');">¹</span> 'His offering', but not the offering of a gentile, His offering, this includes every owner of the offering for the rite of the laying on of hands.<span class="x" onmousemove="('comment',' I.e., every person that has a share in the offering must lay his hands on it.');">²</span>

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