But, abundance speaks of resources and scarcity speaks of the absence of resources, so they don't speak exactly of the same thing but of something similar.

The colour red is absent for those who have no eyes, on which light strikes and refracts. Therefore the colour red does not exist.

This is true speaking subjectively. The color red does not exist only for them. But it does exist objectively because we can see it.

I believe that opposites are an appearance, and that there really is only one and not two, that is, justice is, and injustice seems to be but is not. Here it is unnecessary to look for a third party, because if there are not two much less there can be three.