Nature of mind is combined emptiness and luminosity

So, even when we try to see through the mind we see nothing but it becomes empty like space. But on our ordinaty level we do not think that way. We think mind is something real, something that can create happiness or unhappiness. We think that mind is something real, but the real mind is not like what we think or how we see.

Buddha is nothing, but Buddha is inconceivable

Buddha Himself said that if anyone wants to fully understand, fully know about the Buddha then one must see that Buddha is formless, Buddha is soundless, Buddha is nothing, but Buddha is inconceivable.