Good point, I wonder why? — 3017amen
If you pursue this question you will unlock metaphysics.
It is because all 'this or that' conclusions about the world-as-a-whole would be wrong. Metaphysical antinomies take the form of a choice between just two options both of which are absurd. Thus they are undecidable. The mystics say these questions are undecidable because both answers are wrong and our intellect is able to calculate this. They say that these questions are false dichotomies. Our intellect is able to calculate that their dualistic answers are absurd, but only if we study mysticism can we make sense of their falsity since this is the only description of reality that explains it.
Most people can work out that these questions are undecidable, but few ever see the reason why. This requires a study of nondualism.(or a lot of meditation). . .
If logic cannot explain existence ex-nihilo, could it be that he universe is absurd and meaningless....
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Not at all, If ex nihilo creation was the case then the universe would be absurd and meaningless, and we could never know much about it.
o...or is understanding of its existence and properties lie outside the usual categories of rational human thought?
A subtle issue. The Truth would be beyond thought, much as Kant surmises, but this is not to say we cannot usefully think about it. An intellectual understanding would be possible, but only for those who have explored what lies beyond the intellect. The crucial component of this understanding has to be an grasp of the principle of nonduality, and this cannot be meaningfully grasped without first-hand experience. . .
In that sense, the theories of multiverse and other possible worlds come into play. Meaning, there may be a whole other metaphysical language (mathematics, logic, etc.) that is needed.
I think not. But we have to be much more careful than usual with our use of logic. ... .
Otherwise, mysticism seems to have some popularity in Physics.
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I've long believed that physicists are deeper and braver thinkers than academic philosophers. Many of the quantum pioneers immediately realised that their discoveries implied the truth of the mystic teachings. Erwin Schrodinger is something of a hero of mine for his insight. Regrettably, modern physicists are generally less well educated and more ideologically hide-bound. . .
...mystical thought lies at the opposite extreme to rational thought, which is the basis of the scientific method.
A misperception.. Rational thought is rational thought, and the methods of mysticism are scientific. They depend entirely on experiment and empiricism, albeit that here the latter would extend beyond sensory data. This is why mysticism makes no claims that contradict science or logic. There's no chance of it doing so since it proceeds by the methods of science and logic Our ordinary brain is quite up to the task. . . .
Also, mysticism tends to be confused with the occult, the paranormal, and other fringe beliefs.
Amen to that. Few people bother to study it seriously. Metaphysics and mysticism are the two worst taught subjects in academia, and this is no coincidence. Both represent an immediate threat to the status quo.
many of the world's finest thinkers, including some notable thinkers such as Einstein, Pauli, Heisenberg, Eddington, and Jeans, have also espoused mysticism...some scientists and mathematicians claim to have had sudden revelatory insights akin to such mystical experiences...Roger Penrose...Gödel...-Paul Davies
Paul Davies' book
The Mind of God' is an excellent introduction to metaphysics. It got me started and led me immediately to mysticism. Schrodinger is the most eloquent of them, since he wrote about this for forty years and knew the Upanishads well.
I;m utterly baffled as to why, somewhere around the 1960's, physicists suddenly became deaf to the Perennial philosophy. I suspect it might have been a reaction to hippy culture, and the baby went out with the bathwater. . .