You need to experience two to experience one.

[Parki]

Imagine a white screen.
Do you see a white circle in the center?
Now make it all black except for a circle in the center.
The circle appears, but yet it was there before the black.
In other words in order to have an experience of something,
not only you need to have the thing you want to experience,
but also the background on which the thing could be seen,
in other words experience is difference and vise verse.

But what is the background to sight?
I can't see any, yet by this logic I only should be able to do so if I had the background, so what is it?

PS btw I am not here to preach you, this is more kind of a question: I tell you what I got and you react to it and I learn something from your reaction.