His self-knowledge was expanding, his character mellowing, and his genius growing daily stronger.

Without losing the fire that burned in him, he had been lessoned by experience into tempering its fervour; and when he reached the age of twenty-nine, he stood upon the height of his most glorious achievement, ready to unfold his wings for a yet sublimer flight.

At that moment, when life at last seemed about to offer him rest, unimpeded activity, and happiness, death robbed the world of his maturity.

Posterity has but the product of his cruder years, the assurance that he had already outlived them into something nobler, and the tragedy of his untimely end.
If a final word were needed to utter the unutterable sense of waste excited in us by Shelley's premature absorption into the mystery of the unknown, we might find it in the last lines of his own "Alastor":-- Art and eloquence, And all the shows o' the world, are frail and vain To weep a loss that turns their light to shade.
It is a woe "too deep for tears," when all Is reft at once, when some surpassing spirit, Whose light adorned the world around it, leaves Those who remain behind nor sobs nor groans, The passionate tumult of a clinging hope; But pale despair and cold tranquillity, Nature's vast frame, the web of human things, Birth and the grave, that are not as they were.
THE END..