The speaker calls out his own racing thoughts, heart, and mind — accusing them of restlessly charging toward death while wearing the costume of worldly cares. The heart pants after glowing illusions, the mind pries into mysteries it can never solve, and together they rush down life’s pleasant path as if fleeing from both happiness and pain. The mood is intensely urgent, shot through with weary bafflement. There’s a tender frustration in the voice, as though he’s trying to slow these inner forces, to ask why they’d trade the living world for an empty cavern. Shelley packs the sonnet with dashes and exclamations, giving the verse a breathless, almost panicked rhythm. The final question — what do you hope to inherit in the grave below? — hangs unanswered, leaving a quiet sense of desperation.
Sonnet — Summary
Ye hasten to the grave! What seek ye there, Ye restless thoughts and busy purposes Of the idle brain, which the world's livery wear? O thou quick heart, which pantest to possess All that pale Expectation feigneth fair! Thou vainly curious mind which wouldest guess Whence thou didst come, and whither thou must go, And all that never yet was known would know-- Oh, whither hasten ye, that thus ye press, With such swift feet life's green and pleasant path, Seeking, alike from happiness and woe, A refuge in the cavern of gray death? O heart, and mind, and thoughts! what thing do you Hope to inherit in the grave below?