And whosoever toucheth one that is slain with a sword in the open fields, or a dead body, or a bone of a man, or a grave, shall be unclean seven days. – Numbers 19:16

Neither by the blood of goats and calves, but by His own blood He entered in once into the holy place, having obtained eternal redemption [for us]. – Hebrews 9:12

In the passage in Numbers which is now before us, the one source of defilement dealt with is death. “Whoever touches one that is slain with a sword in the open fields, or a dead body, or a bone of a man, or a grave, shall be unclean seven days.” Now, death is peculiarly the symbol of sin as well as the fruit of sin. Sin, like death, defaces the image of God in man. As soon as death grasps the body of a man, it destroys the bloom of beauty, the dignity of strength and drives forth from the human form that mysterious something which is the token of life within. However comely a corpse may appear for a time, yet it is defaced—the excellence of life has departed and, alas, in a few hours, or at longest in a few days, the image of God begins utterly to pass away—corruption and the worm commence their desolating work and horror follows in their train. What death does for the “human face,” sin does for the spiritual image of God upon us. It utterly defaces it…Like a dog at one’s heels, sin is always with us! Like our shadow, it follows us, go where we may. Yes, and when the sun shines not and shadows are gone, sin is still there. Where shall we flee from its presence and where shall we hide from its power? When we would do good, evil is present with us. How humbled we ought to be at the recollection of this!

Sin is death. Labor to keep from it! Inasmuch as you are delivered from the yoke of sin, go forth and serve God! Since He is the living God and evidently hates death and makes it to be an uncleanness to Him, get to living things! Offer to God living prayers and living tears! Love Him with living love! Trust Him with living faith! Serve Him with living obedience! Be all alive with His life—not only have life—but have it more abundantly! He has purged you from the defilement of death, now live in the beauty and glory and excellency of the Divine Life and pray the Holy Spirit to quicken you that you may abide in full fellowship with God! ~ C.H. Spurgeon

https://www.blueletterbible.org/comm/spurgeon_charles/sermons/1481.cfm