«But Carrà had already chosen another path. Destined to serve painting's own reasons, and much more convinced than de Chirico of the spiritual significance intrinsic in Italian forms, in those years he presented to us a series of Sibylline acrostics, which nonetheless find in themselves the strength of their own solution».
Roberto Longhi, L'arte di Carlo Carrà, in Mostra di Carlo Carrà, catalogue of the exhibition, Palazzo Reale, Milan, April – May 1962, p. 21