Before their ideological split, Titel Petrescu had commended "my friend Ștefan Voitec" for his work in collecting "socialist literature and old documents". Tismăneanu notes that Voitec was once regarded as the would-be theoretician of Romanian moderate socialism, "one who was so very well acquainted with the works of Karl Kautsky and Eduard Bernstein", and therefore fully educated about the critique of communism from the left. The same issue had been raised in 1963 by his exiled former employer, Pamfil Șeicaru: "Voitec was well trained in Marxist sociology and knew the history of Soviet Russia.
Before their ideological divergence, Titel Petrescu praised "my friend Ștefan Voitec" for his work in gathering "socialist literature and old documents". Tismăneanu points out that Voitec was once considered the potential theoretician of Romanian moderate socialism, "one who was extremely well acquainted with the works of Karl Kautsky and Eduard Bernstein", and thus thoroughly informed about the critique of communism from the left. The same issue had been addressed in 1963 by his exiled former employer, Pamfil Șeicaru: "Voitec was extensively trained in Marxist sociology and knew the history of Soviet Russia."