Based on the given options, the poems "One Generation Passeth Away and Another Cometh" and "Pilgrimage" share the following common theme:
- Both address the impact of the past on the present by asserting that legacy relies on physical items.
These poems emphasize the significance of remembering and preserving the past through tangible objects or symbols. They suggest that the physical remnants or artifacts left behind by previous generations hold importance and contribute to shaping the present.