Five short lines, and the first one stops mid-thought. "A poor" hangs there like a hand held out, waiting for a noun that doesn't arrive until the next line, and when it does, it is "bacon." The title leads us to expect something else. "That old-time religion" recalls the familiar revival hymn, with its promise of comfort and certainty. What follows is a quiet, funny, slightly irreverent answer to that promise: the church is a bad piece of cured meat, and the real sacred company was a ridge.
The central idea seems to be a swap of sanctuaries. Institutional religion is reduced to a verdict, "A poor bacon, the church," while the speaker's real experience of something holy belongs to the landscape. The bacon image is worth lingering over. Bacon is preserved flesh, salted and cured to last, and that is a sharp description of an old-time religion kept going by tradition. Calling it "poor" can mean meager or low in quality, so the church comes across as thin, overcured and short on nourishment. There is also a pun on the old phrase about saving one's bacon, which sits comfortably beside the idea of religion as salvation, though the poem never insists on it. A reader can take the image as a joke or as an insult.
The turn comes with "I knew a ridge." Here the poem shifts from the present-tense judgment to a remembered encounter. The verb "knew" suggests more than seeing or visiting. We know people, and the ridge is treated like one. The image also connects back to the bacon in a way I find satisfying, though it may be accidental. A ridge is a spine, a back, the shape of a land animal, so the poem moves from meat to the living contour of the earth. Flesh that has been cured and packaged in the first sentence becomes flesh that is still alive, still lying under the sky.
The last sentence, "We sat together / a great while," is where the poem becomes quietly devotional. The speaker and the ridge are companions, and the pronoun "we" makes the place a partner rather than scenery. "Sat" is the ordinary word for what people do in a pew, and here it describes a vigil with no sermon and no hymn, just attention. "A great while" has an old, slightly biblical ring, which fits the title. The poem ends up delivering old-time religion after all. It just relocates it to a place where nothing is being preached.
The construction supports this reading. There is no rhyme and no regular meter, and the lines are very short, running from two to four syllables. The vocabulary is almost entirely plain and monosyllabic, with only "bacon" and "together" stretching longer. That plainness gives the poem its tone of understatement, as though the speaker doesn't need to argue the point. Sound still matters, though. "Church" and "ridge" both end in the same kind of blended consonant sound, one unvoiced and one voiced, so they work almost as a near-rhyme across the poem's hinge. The sound pairs the two places even as the sense sets them against each other. The final line slows with its long vowels, "great" and "while," so the poem seems to sit still in the way it describes.
Grammar does some of the work too. The first sentence is inverted and abrupt, as if the thought were being clipped off, and the odd line break after "poor" makes us stumble. The next two sentences run more smoothly and the pace relaxes. A reader feels the speaker leaving the clipped judgment behind and settling into the calm of the remembered ridge. The tense change reinforces this: the church gets a flat statement, while the ridge gets a story in the past tense, with a sense of time having been spent.
What makes the poem significant is how much it does with so little. In about fifteen words it takes a loaded cultural phrase, turns it upside down, and offers an alternative that is gentle rather than angry. It doesn't announce a loss of faith or a conversion. It simply sets down two images side by side, a poor bacon and a patient ridge, and trusts the reader to see which one fed the speaker.