So said Zarathustra (audiobook mp3)

The uninterrupted Arian Prophet Zarathustra (Zoroastr) (born around 550 BC) - enjoyed unprecedented veneration in the ancient world and in Judaism.
Zoroastrianism, one of the oldest creeds in the world. In Zoroastrianism there were such concepts as “Saoshen” (the coming Savior of the world), and “Frasho-Cereet” (the last day) Zarathustra anticipated that the end of the world is inevitable. He understood that he himself would not live to Frasho-Kereti, and taught that a “righteous person, good origin”, that is, Saoshaant, would come after him. He will lead people to the last fight against evil. The treatise of Friedrich Nietzsche "so said Zarathustra" - written in the genre of philosophical and artistic prose. This book is a kind of Nitshevskaya Bible.
According to Nietzsche, two "visions" descended on him: first the thought of the "eternal return", and then the image of Zarathustra himself.
Having met this book, S.L. Frank wrote: I was shocked - not by the teaching of Nietzsche - but an atmosphere of the depth of spiritual life, spiritual struggle, which was believed from this book