«مَرْعِةِ النَّعْجَهْ مَا تَاكُلْهَاشِ الْجَامُوسَهْ»

The saying rests on a farmyard observation. A ewe can nibble grass cropped close to the ground, while a bulky water buffalo cannot gather such short growth with its mouth. It is not refusing the food; the same field simply feeds one animal well and leaves the other hungry, because each is built differently.

Applied to people or things, it warns against treating unlike cases as interchangeable. What nourishes, fits, or benefits one party may be useless to another. The point is difference in nature and need, not that one side is better or worse.

Say this when someone assumes one solution, role, or resource will work equally well for two very different people or things. It gently points out that the mismatch comes from their different natures, not from either one failing.