Oil -- typically olive oil -- symbolizes the good that comes from celestial love. Celestial love is love of the Lord, the highest and purest love we can have. The good of celestial love is the desire to be good springing from celestial love: Wanting to do the Lord's will because you love Him. That's not a state many reach, even in heaven, but it's a beautiful goal. This representation makes sense based on the idea that the sun -- the source of all natural light and heat, and thus all natural life -- represents the Lord, the source of all spiritual light, heat and life. Burning oil was the most pure fire available in Biblical times, thus the closest representation of the sun people could create.

9469. 'And fine linen' means the truth from this, that is to say, from the good which has a celestial origin. 'Flax' or 'linen' means truth, see 7601, and 'fine linen' means truth from the Divine, 5319; both kinds of truth exist in the natural man. 'Fine linen' means truth from a celestial origin because of its whiteness and softness.