«الحنطة بالحنطة مثلًا بمثل»
Wheat for wheat, like for like.
In legal usage, equality in exchanging wheat concerns the designated measure, such as volume in a relevant context; individual grains need not match in weight, hardness, shape and every other characteristic. “Like” is determined by the comparison's operative standard.
This shows that unrestricted identity differs from qualified equality. The linguistic example clarifies the concept; it does not establish corporeal features for God.