Stones seem resistant to time, making them useful symbols for permanence, graves, monuments, and old histories. Poets may use a stone to describe an unyielding heart, a burden carried through life, or a truth that cannot be softened by language. Yet erosion shows that even stone changes, allowing the image to explore slow transformation. A stone in water may suggest how repeated experience reshapes what once seemed fixed.

Stone can signify permanence because it survives far longer than individual human lives, yet poetry gives this durability contrasting emotional meanings. A stone may represent endurance and fidelity, but also coldness, silence, insensibility, burial, obstruction, or a memory fixed into monument. Weathered stones complicate the idea of permanence by showing that even rock changes over time. Context such as gravestone, foundation stone, milestone, or thrown stone can radically alter interpretation. Compare rock, monument, grave, statue, cairn, foundation, hardness, memory, endurance, petrification, and geological time.