The first of the first is the most superior. The second of the first and the first of the second are equal. The third of the first, the second of the second, and the first of the third are equal. The third of the second and the second of the third are equal. The third of the third is the most inferior. One could deduce that the minchah-offerings should also require pure olive oil; if the menorah, which is not for consumption, requires pure olive oil, surely the minchah-offerings, which are for consumption, should require pure olive oil. Therefore, Scripture teaches: pure, beaten for the light — but not pure, beaten for the minchah-offerings.