Here were the hopes which blossom in the paths of life, reconciled with the peace which is in the grave; motions of the intellect as unwearied as the… - Thomas De Quincey

For it seemed to me as if then first I stood at a distance and aloof from the uproar of life; as if the tumult, the fever, and the strife were suspended; a respite granted from the secret burthens of the heart; a sabbath of repose; a resting from human labours. Here were the hopes which blossom in the paths of life reconciled with the peace which is in the grave; motions of the intellect as unwearied as the heavens, yet for all anxieties a halcyon calm; a tranquillity that seemed no product of inertia, but as if resulting from mighty and equal antagonisms; infinite activities, infinite repose.

[H]ere was the secret of happiness, about which philosophers had disputed for so many ages, at once discovered: happiness might now be bought for a penny, and carried in the waistcoat pocket; portable ecstacies might be had corked up in a pint bottle, and peace of mind could be sent down in gallons by the mail-coach.

the opium-eater cannot present himself in the character of l'Allegro: even then, he speaks and thinks as becomes Il Penseroso.