" In his treatise on the battles between the gods underlying ancient Dionysian theatre, the young Nietzsche notes: 'Alas! The magic of these struggles is such, that he who sees them must also take part in them.' Similarly, an anthropology of the practising life is infected by its subject. Dealing with practices, asceticisms and exercises, whether or not they are declared as such, the theorist inevitably encounters his own inner constitution, beyond affirmation and denial. "

― Peter Sloterdijk , You Must Change Your Life