Final answer:
The phrase 'outside the sphere of conflict' can have different meanings depending on the context. It may refer to the public sphere or being alien and outside the norms of society.
Step-by-step explanation:
In the context of the question, the phrase 'outside the sphere of conflict' is not directly related to Hartmann but is used in a different context by various sources. In one context, it refers to the public sphere, which is the realm outside of nation and state politics where people engage in political discussions. In another context, it suggests being alien or outside the norms or forms of society. The significance of being 'outside the sphere of conflict' can vary depending on the specific context it is used in.