"Still waters" is Psalm 23:2’s image of YHWH as Shepherd leading the saint beside calm, drinkable water: "he leadeth me beside the still waters." The Hebrew mei menuchot is literally "waters of rest" or "resting-waters" — quiet pools, side channels, gently flowing streams. Sheep cannot drink from rushing or muddy water; they refuse it. The Shepherd seeks out the still places where the flock can be refreshed without fear. Christian souls likewise must be led to still waters — the steady draught of Scripture and prayer, the unrushed sabbath, the quiet conversation with a trusted brother. The man who tries to drink from his own torrent of busyness will die of thirst beside the river. Slow down. Drink.
Psalm 23:2 calm refreshing water; "waters of rest."
Psalm 23:2's calm waters where the Shepherd leads the flock to drink. Sheep cannot drink from rushing or muddy streams; the Shepherd seeks out still pools or quiet eddies. The Hebrew mei menuchot is literally "waters of rest" — cognate of menuchah, the rest-word of Psalm 95:11. The same root underlies the name Noah.
Psalm 23:2 — "He maketh me to lie down in green pastures: he leadeth me beside the still waters."
Isaiah 32:18 — "And my people shall dwell in a peaceable habitation, and in sure dwellings, and in quiet resting places."
Revelation 7:17 — "For the Lamb which is in the midst of the throne shall feed them, and shall lead them unto living fountains of waters."
Romantic-poetry reading misses the practical sheep-physiology behind the image.
Sheep cannot drink from rushing streams; they panic and refuse. The Shepherd leads them specifically to still waters because that is the only kind they can use. The image is therefore more practical than poetic: the Shepherd's care knows what His sheep need.
Recover the practicality: the rest-waters are chosen by the Shepherd because the sheep require rest-waters. He knows.
Hebrew mei menuchot.
['Hebrew', 'H4325', 'mayim', 'waters']
['Hebrew', 'H4496', 'menuchah', 'resting place, rest']
"He leadeth me beside the still waters."
"Sheep need still waters; the Shepherd knows."
"Waters of rest, by careful choice."