والعقلي من وجه الشبه أعم من الحسي
The intellectual point of resemblance is broader than the sensory point.
A sensory point must be a sensible feature of the two terms in the relevant way. Intellectual similarity may relate two sensible things, two intellectual matters, or one of each.
In “knowledge guides like light,” knowledge is an intellectual concept and light can be perceived, while the relation of revealing or guiding is grasped intellectually. The mere presence of a sensible term does not make the point sensory. Broader here concerns the range of possible comparisons, not the denial that sensory qualities exist.