Complex sentence: Home Stone as embodied on Earth, is considered to be sovereignty over oneself, as well as good citizenship: the two must be well balanced, so that neither the individual nor the community suffers.
Split into simpler sentences: Home Stone as embodied on Earth, is consider to be, having personal sovereignty, and being a good citizen of your community. Being sovereign, and being a good citizen must be well balanced, so that neither the individual, nor the community suffers.