In politics, he has always been a republican with advanced Socialist sympathies, and internationalist at heart, and, as they said in the eighteenth century, a "citizen of the world." He has always fought social injustice. In art, he loves, above all, Beethoven, Shakespeare, and Goethe... Rembrandt is the painter dearest to him. But his chosen country is Italy.

On himself, as quoted in World Authors 1900-1950 (1996)