they said if the mind perceived by a physical instrument like sight it would not perceive its instrument like the other senses but it perceives the brain and the heart and what is called its instrument so this indicates that it is not an instrument for it nor a place otherwise it would not perceive it.
قالوا لو كان العقل يدرك بآلة جسمانية كالأبصار لما أدرك آلته كسائر الحواس ولكنه يدرك الدماغ والقلب وما يدعى آلته، فدل أنه ليس آلة له ولا محلا وإلا لما أدركه.