The hills,
Rock-ribbed, and ancient as the sun.

These lines come from William Cullen Bryant’s poem “Thanatopsis,” written when he was very young (in his late teens) and first published in 1817, later revised for inclusion in his 1821 collection. The poem is a landmark of early American Romanticism, using the North American landscape as a setting for philosophical meditation. In “Thanatopsis,” Bryant turns to nature—its forests, rivers, and enduring hills—as a teacher that offers consolation about mortality. The phrase evokes the immense age and permanence of the natural world, set against the brevity of individual human life.

By calling the hills “rock-ribbed” and “ancient as the sun,” Bryant compresses a vast timescale into a vivid image: the earth’s stony “ribs” suggest strength, endurance, and a body older than human history. In the poem’s argument, such permanence is not merely scenic; it reframes death as a natural, universal process. The hills’ antiquity implies that nature has witnessed countless lives and will outlast any single person, encouraging humility and a calmer acceptance of mortality. The grandeur of the landscape becomes a moral and philosophical perspective—nature’s longevity offers steadiness amid human transience.