The product of an unhappy, loveless home, Truffaut began using films to escape the exigencies of reality at age seven, virtually living in various Parisian movie houses. He left school to go to work at 14, and, one year later, founded a film club, which brought him to the attention of influential cinema critic Andre Bazin. Over the next few years, Bazin both financed and protected Truffaut. In 1953, Bazin hired Truffaut as a critic/essayist for Cahiers du Cinema. It was in the January 1954 edition that Truffaut published his landmark essay “A Certain Tendency in the French Cinema,” in which he attacked directors who merely ground out films without any personal cinematic vision; he also propounded the auteur theory, which opined that the only directors worth serious consideration were those who left their own individual signatures on each of their films. Truffaut noted that writing critiques enabled him to understand why he loved films and to rationalize his reasons for liking them… read more
I think most people think that Godard is more interesting because he is more a formalist but Truffaut has made very intense, beautiful films and amazing screenplays ("The Woman next door", "Adèle H" etc.). The idea of love in his films is higher than in any other films.