The debate over the source of about (is that really angels speak?) Does not appear decisive because it is the content that matters to me: Would Jesus or Buddha's words less wise if other that them had the pronounced? Moreover, the original title was "the four messengers" and the editor considered it more "sensational" mentioning the term "angels" who, moreover in Hebrew, Greek and Arabic just means "messenger".
In fact, it is a message that is delivered, better, a life of teaching. However, caution readers that it is certainly not a philosophical work because there is no argument or reasoning. Here, everything is played from the example: our life must be a reflection of the idea that we are in fact under penalty of lying to oneself.
In short, a book advising ideally all people but especially to those who thirst for the life of the mind and spirituality that does not mean passivity. The book urges us to act and burn inside with lofty and noble feelings (love, the Don, the true word, independence) away pictures and photos of a reduced life to the observance close rules or prohibitions.
Against nihilism and depression discourses in fashion, a book that invites us to live fully according to human values, without feeling sorry for ourselves, not take refuge in fear and falsehood but by asserting our own acts of our human dignity. A difficult program but oh so exciting ...