Complex sentence: Amidst renewed bouts of illness, living in near-isolation after a falling out with his mother and sister regarding Salomé, Nietzsche fled to Rapallo, where he wrote the first part of "Thus Spoke Zarathustra" in only ten days.
Split into simpler sentences: Amidst renewed bouts of illness, living in near-isolation after a falling out with his mother and sister regarding Salomé, Nietzsche fled to Rapallo. Here he wrote the first part of "Thus Spoke Zarathustra" in only ten days.