In aphorism# 125 of Gay Science, the madman tells the people who did not believe in God that “we have killed God – you and I. All of us are his murderers.” But at end of the aphorism, he also claims that the death of God “not yet reached the ears of men … and yet they have done it themselves.” How is it possible to kill God and not know that he is dead? What is the relationship between Nietzsche’s notion of God and the Ascetic Ideal that he discusses in the third essay of On the Genealogy of Morals? And how are these two notions (God and Ascetic Ideal) related to the moral revolution (described by Nietzsche in the first essay of On the Genealogy of Morals) and to the bad conscience (described by Nietzsche in the second essay of On the Genealogy of Morals) discussed by Nietzsche in the On the Genealogy of Morals?