The most frequent biblical comparison for incense is prayer. King David famously pleaded in Psalm 141:2, "Let my prayer be set before You like incense" . Just as the smoke of burning resins naturally rises toward the sky, our intentions, petitions, and praises are meant to ascend to God’s throne.
Do This in Remembrance of Me, Part 38: Incense - Eucharistic Revival God's Incense
: Just as incense was carefully blended to be "sweet-smelling," sincere prayer is described as a fragrant offering that delights the heart of God. The most frequent biblical comparison for incense is prayer