Well documented and even erudite philosophical work that manages the feat to simplify an inherently complex matter. It traces the evolution of humanism throughout history. His vision remains fundamentally positive despite the errors experienced by "humanism" in the last century (Humanism Hitler and Stalinist to name these two there).
The treatment is quite clever while remaining accessible and references are rich and relevant, although little progress seem nicely oriented moment. But reading remains highly instructive, especially made us ask questions, generating change in essence. To read.