2 Corinthians 2:11-15

to keep Satan from taking advantage of us; for we are not ignorant of his schemes. Now when I arrived at Troas to preach the good news of Christ, even though a door [of opportunity] opened for me in the Lord, my spirit could not rest because I did not find my brother Titus there; so saying goodbye to them, I left for Macedonia. But thanks be to God, who always leads us in triumph in Christ, and through us spreads and makes evident everywhere the sweet fragrance of the knowledge of Him. For we are the sweet fragrance of Christ [which ascends] to God, [discernible both] among those who are being saved and among those who are perishing