The Problem of Nothingness

"But if we wish to decide with certainly,we need only to consider an example of a negative judgment and to ask ourselves whether it causes non-being to appear at heart of being or merely limits itself to determining a prior revelation.I have an appointment with Pierre at four o'clock.I arrive at the cafe a quarter of an hour late.Pierre is always punctual.Will he have waited for me?I look at the room, the patrons,and I say,"He is not here".Is there an intuition indeed enter in only with judgment?At first sight it seems absurd to speak here of intuition since to be exact there could not be an intuition of nothing and since the absence of Pierre is this nothing.Popular consciousness however,bears witness to this intuition.Do we not say,for example,"I suddenly saw that he was not there".Is this just a matter of misplacing the negation."
J.P.Sartr,"Being and Nothingness"

"What is Nothing,anyway?

It's not anything,and it's not something,yet it isn't negation of something,either.Traditional logic is no help,since it merely regards all negation as derivative from something positive.So,Heidegger proposed,we must abandon logic in order to explore the character of Nothing as the background out of which everything emerges.

Carefully contemplating Nothing in itself,we begin to notice the importance and vitality of our own moods.Above all else,Nothing is what produces in us a feeling of dread/Ger.Angst/.This deep feeling of dread,Heidegger held,is the most fundamental human clue to the nature and reality of Nothing."Philosophy Pages
"I think that we can distinguish the West to have considered being as the ground of reality,the East to have taken nothingness as its ground." K.Nishida