To discover something in mathematics is to overcome an inhibition and a tradition. You cannot move forward if you are not subversive.
I have always thought that morality in politics was something essential, just like feelings and affinities.
Trotskyism gave me … a remarkable education, clearly more advanced and sophisticated than that of most youngsters of my age. But by the extremism and sectarianism of its ideas, and by its stereotyped language, it neutralised me during the occupation. My judgment remains extremely severe on my own actions as well as those of the majority of the Trotskyist party during that period.