Why is “nibbana” considered to be “unconditioned”? I’m aware that a similar question has been asked before:
How is Nibbana unconditioned?
However, I’m looking for an answer (1) in the language of science that is (2) clear and comprehensible to readers who know nothing of buddhism. i.e. In the spirit of the great teacher, Richard Feynman, answers which depend only upon concepts which the general public are familiar with.
The term “nibbana”:
For example, I’m assuming that nibbana, when observed in a brain scan, looks something like the subjugation of the “task negative network” by the “task positive network.”
The term “conditioned”:
My understanding is that the term “conditioned” has its origins in “dependent origination”.
Bhikkhu Bodhi, for example, says the “hallmark of the dharma” is the verse “All phenomenon originate with causes and conditions and with the cessation of those conditions, the dependent phenomenon also cease.”
For example:
From the 4 noble truths:
The origin of suffering is craving and clinging.
The conditions which give rise to suffering are “craving and clinging”.
With the cessation of craving and clinging, the dependent phenomenon, suffering, also ceases.
From this example, my best guess is that “unconditioned” simply means the cessation of the arising of the conditions (craving and clinging) which give rise to suffering. i.e. un-conditioned means the cessation of conditions.
It does not mean that the mind state of nibbana can be achieved without creating the conditions of the cessation of craving and clinging.
Is this correct?
Good question. Nirvana/Nibbana is not a state of mind, rather it's a quality or an aspect that is always present regardless of any conditions, but even though it's always present it is not always seen. The state of being aware of the ever-present N is dependent on conditions while the N itself is not.
You know this quality of mind that watches everything silently and just witnesses things without judging, whether circumstances are good or bad and whether you're well or tired or scared? N is similar because it doesn't stop nor change regardless of circumstances, not even when you're asleep or dead. This is why it's called unconditional.
Traditionally they say there are three ways to approach seeing N. One is through methodical incremental cessation of progressively more and more subtle forms of conflict inherent to craving/aversion, even of conflict inherent to aversion towards samsara and craving for N. Once you completely stopped generating conflict, completely gave up all aversion and craving - what's left to be experienced is N, pure and simple.
Another method is a bit more technical, it involves tracing how in your mind things are always defined relative to one another by dividing some sort of Whole into e.g. left and right, this and that, object and background, better and worse etc. In this method we try to ascend this graph of relative definitions up to its root by climbing the ladder of progressively more and more subtle forms of division that generates such relative concepts. The root of the graph is N which is not defined relative to anything else.
The third and final method consists in methodically trying to find something unalienable that truly belongs to oneself and cannot be taken away by the unstoppable passage of time nor swayed by circumstances. In this method one analyzes and discards all things that are subject to change and cessation, starting from obvious ones such as the physical body and moving on to subtle things such as one's memories, sense of identity, and various states of mind. As one fully and exhaustively understands the workings of conditionality and conditionally dependent arising/cessation of phenomena, one arrives at the only remaining answer, which is N.
From these explanations it should be clear that N is not something limited that is defined in juxtaposition to anything else and this unbounded supraconceptual suchness is exactly what allows it to not be dependent on any conditions or circumstances.