We still can insist that space is what we say because nothing, or an absolute vacuum, is not space. Then, we must prove how space can exist without this nothing or absolute vacuum. But we cannot prove that space is possible without nothing. Since we cannot prove that there is space or curvature of space without nothing, we will establish the opposite: without the absolute vacuum, the Nothing (void, emptiness), there is no space. When we become convinced that there can be no space without the Nothing or an absolute vacuum, we must answer precisely what space is and how it becomes space. The only actual space is nothing or an absolute vacuum; we have already stated that this space cannot be curved.
“We still can insist that space is what we say because nothing, or an absolute vacuum, is not space. Then, we must prove how space can exist without this nothing or absolute vacuum. But we cannot prove that space is possible without nothing. Since we cannot prove that there is space or curvature of space without nothing, we will establish the opposite: without the absolute vacuum, the Nothing (void, emptiness), there is no space. When we become convinced that there can be no space without the Nothing or an absolute vacuum, we must answer precisely what space is and how it becomes space. The only actual space is nothing or an absolute vacuum; we have already stated that this space cannot be curved.”
— Dejan Stojanovic · Time