Nietzsche predicts that the death of God will bring with it the rejection of the belief in a universal moral law, which in turn will cause existential nihilism — a philosophy he detested. While Nietzsche didn’t think highly of “slave morality,” as we just discussed, he did think it was good for the psyche, and that religion played an important role in creating meaning — a center of gravity — in the world. Nietzsche predicted that once a universal basis of morality eroded away, “there will be wars the like of which have never been seen on earth before” — a prediction which came true not long after he died in 1900.
No one who possesses true friends knows what true solitude is, even though he have the whole world around him for his enemies. Ah, I well understand that you [the reader] do not know what solitude is. Where there have been powerful societies, governments, religions, public opinions, in short , wherever there has been tyranny, there the solitary philosopher has been hated, for philosophy offers an asylum to a man into which no tyranny can force its way, the inward cave, the labyrinth of the heart, and that annoys the tyrants.