Psalms 90:5

My Notes

What Does Psalms 90:5 Mean?

Psalm 90 is attributed to Moses — the only psalm explicitly credited to him — and it meditates on human mortality against the backdrop of God's eternity. Verse 5 continues the theme established in verse 4 ("a thousand years in thy sight are but as yesterday") by describing the brevity and fragility of human life through two vivid images.

"Thou carriest them away as with a flood" — the Hebrew zaram (carriest away, swept away, poured out) evokes a flash flood in the desert — sudden, irresistible, erasing everything in its path. Human lives, from God's perspective, are swept away with the same ease. The image isn't gentle passing; it's violent erasure. One moment present, the next gone.

"They are as a sleep" — the Hebrew shenah (sleep) compresses an entire lifetime into something that passes without awareness. A night of sleep feels like minutes. Moses is saying: that's what a human life looks like from God's eternal vantage point. You blink and it's over. The sleeper doesn't experience the passage of time — and from the divine perspective, neither does a mortal lifetime register as anything substantial.

"In the morning they are like grass which groweth up" — the marginal note offers "is changed" as an alternative to "groweth up," and the Hebrew chalaph can mean both. Grass in the ancient Near East was proverbial for its brevity. In the Palestinian climate, spring grass would sprout brilliantly after rain and be scorched brown within days. The morning vitality gives way to evening withering (v. 6 completes the image: "in the evening it is cut down, and withereth").

Moses stacks three images — flood, sleep, grass — to make the same point from different angles. Human life is swept away, unconsciously brief, and naturally perishable. The effect is not nihilism but perspective: only what's rooted in the eternal God endures.

Reflection Questions

• 1.Moses uses three images for life's brevity: a flood, a sleep, grass. Which one resonates most with your current experience of time passing — and why?
• 2.If your life looks like 'grass that grows in the morning,' what does it mean to live well in the hours you have? What changes if you take the brevity seriously?
• 3.Moses watched a generation die in the wilderness. Has proximity to death or loss shaped how you think about your own time? What did it teach you?
• 4.The psalm moves from this sober reality to a prayer for wisdom (v. 12). How does honestly facing your mortality lead to wisdom rather than despair?

Devotional

A flood. A night's sleep. Grass that grows in the morning and dies by evening. Three pictures, one truth: we don't last.

Moses isn't being morbid. He's being honest. And he's writing from a unique position — a man who spent forty years in the wilderness watching an entire generation die. He saw, up close and over decades, how quickly a person goes from vitality to dust. And he writes this psalm not to depress you but to locate you.

You are the grass. So am I. The morning is bright, the growth is real, and the evening comes faster than any of us expect. That's not pessimism. It's the foundation for the psalm's actual prayer, which comes later: "teach us to number our days, that we may apply our hearts unto wisdom" (v. 12). The brevity isn't the point. What you do with the brevity is the point.

The flood image is the hardest one. A flood doesn't just end things — it erases them. It carries away the evidence that something was there. And from God's eternal perspective, that's what a human life can look like — unless it's anchored in something that outlasts the water.

If this verse unsettles you, it's doing its job. Moses doesn't want you comfortable with how you're spending your days. He wants you awake. Aware. Counting. Not because life is meaningless but because it's short — and short things are either wasted or treasured, and the difference is whether you noticed before the evening came.

Commentary

Trusted original commentary from respected historical Bible scholars and theologians.

Cross References

Related passages throughout Scripture