[2] In 1911 he worked as a lecturer in moral philosophy at Bologna, but soon moved to Ferrara where he taught for two years (1913-1914), and then to Florence (1914-1916).
[2] He taught as a professor at the University of Genoa and was considered a proponent of Relativism and a supporter of the Conservative Revolution in Italy.
The first theoretical formulation of this sceptical line of his thought are the Lineamenti di filosofia scettica of 1919, where he argues that the war has destroyed his optimistic faith in the universality of reason, replacing it with the tragic spectacle of its pluriversity.
In 1934, having published further critical writing,[5] he was definitively dismissed from his post, with the loss of his chair of moral philosophy at the University of Genoa.
[2] Rensi died on 14 February 1941 from complications following abdominal surgery, and is buried in the Staglieno cemetery in Genoa.
[2] In a reference to his oppositional stance, written upon his tombstone are the Latin words: "Etiam si omnes, ego non".
She worked on anarchist magazines, for example Volontà and Sicilia Libertaria, and published many philosophical books on the subjects of socialism, anarchism and atheism.
[6] Her sister Algisa (1899-1994) became a nun, and eventually abbess, living in the convent of Lugo di Romagna until her death.