• Where art thou, beloved To-morrow?
    When young and old, and strong and weak,
    Rich and poor, through joy and sorrow,
    Thy sweet smiles we ever seek,--
    In thy place--ah! well-a-day!
    We find the thing we fled--To-day!

    Samuel Taylor Coleridge, Percy Bysshe Shelley, John Keats (1831). “The poetical works of Coleridge, Shelley, and Keats”, p.477