 he looked with his own eyes and its meaning is to deny the possibility of metaphor. this is a slip of the foot so let him be aware of the place where these fools are deceived.
ونظر بعينه، ويكون معناه نفي احتمال المجاز. فهذا مزلة القدم، فليتنبه لمحل انخداع هؤلاء الأغبياء.