Petronius, Satyrica 48.8
April is the cruellest month. The epigraph to TS Eliot’s The Waste Land:
nam Sibyllam quidem Cumis ego ipse oculis meis vidi in ampulla pendere, et cum illi pueri dicerent ‘Σίβυλλα, τί θέλεις;’ respondebat illa ‘ἀποθανεῖν θέλω’.
For with my own eyes I myself saw the Sibyl at Cumae, hanging in a flask. When the boys asked her, ‘Sibyl, what is your wish?’ she answered, ‘I wish to die.’
Trimalchio is speaking, and recounts this story for less than obvious reasons, discussed here.