What does Ecclesiastes 3:21 mean?
What is the meaning of Ecclesiastes 3:21?

Who knows

Ecclesiastes 3:21 opens with, “Who knows…?”—a question that sounds uncertain, yet points us to the limits of human observation “under the sun” (Ecclesiastes 1:3). Solomon is highlighting how, from a strictly earthly vantage point, the destinies of people and animals look identical. We see bodies die, but we do not directly see what happens to the spirit. Scripture, however, lifts the curtain:

• Job admitted the same limitation—“But where can wisdom be found?” (Job 28:12)—then concluded that true insight comes from God’s revelation.

• Paul affirms that “we walk by faith, not by sight” (2 Corinthians 5:7).

• Jesus assures, “God is not the God of the dead, but of the living” (Matthew 22:32), underscoring that our confidence rests on what He declares, not merely on what we observe.


if the spirit of man rises upward

Here Solomon speaks of the possibility that something unique happens to humans at death. Scripture elsewhere removes the uncertainty:

• “Then the dust returns to the earth as it was, and the spirit returns to God who gave it” (Ecclesiastes 12:7).

• At His last breath Jesus said, “Father, into Your hands I commit My spirit” (Luke 23:46), affirming immediate conscious life with God.

• Paul longed “to depart and be with Christ, which is far better” (Philippians 1:23) and taught that to be “away from the body” is to be “at home with the Lord” (2 Corinthians 5:8).

Taken together, these passages reveal that human beings—created in God’s image (Genesis 1:27)—possess an eternal spirit that “rises upward,” entering God’s presence upon death.


and the spirit of the animal

Animals, too, possess the “breath of life” (Genesis 1:30), yet Scripture distinguishes them from humanity:

• “Man’s spirit is the lamp of the LORD” (Proverbs 20:27), a God-given capacity for fellowship that animals do not share.

Ecclesiastes 3:19 notes that both man and beasts die, sharing a common mortality, yet without attributing everlasting consciousness to animals.

Psalm 36:6 declares that God preserves both man and beast, showing His care for all creatures while still differentiating their purposes.

Thus Solomon sets animals alongside humans to sharpen the contrast: both breathe, both die, but only mankind bears the image of God with an eternal destiny.


descends into the earth?

The phrase echoes Genesis 3:19—“for dust you are, and to dust you shall return.” Observably, animal bodies decay and “descend into the earth,” and without divine revelation that is all one could assert. Scripture supports this natural end:

• “When You hide Your face, they are terrified; when You take away their breath, they die and return to dust” (Psalm 104:29).

• Unlike human spirits, no biblical text speaks of animal spirits entering heaven or appearing before God for judgment (compare Revelation 20:12-15, where only people are judged).

The downward movement of animal life contrasts with the upward call placed on humanity, reinforcing the unique responsibility and hope entrusted to those made in God’s likeness.


summary

Ecclesiastes 3:21 uses a probing question to expose human limitations: apart from God’s revelation, no one can tell whether the human spirit rises or the animal spirit simply ends. The rest of Scripture answers decisively. Humans, formed in God’s image, have an eternal spirit that returns to Him, while animals fulfill their earthly purpose and then pass away. Solomon’s rhetorical “Who knows…?” invites us to look beyond “under the sun” observations and trust the clear testimony of God’s Word: for those who fear Him, death is not an end but an upward departure into His presence.

Does Ecclesiastes 3:20 suggest a nihilistic view of existence?
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