For the best thing to grasp is the dimension of neither perception nor non-perception?
What is the meaning of above? Why that so?
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“Indeed, Ānanda.
“Upādānaseṭṭhañhi so, ānanda, bhikkhu upādiyamāno upādiyati.
For the best thing to grasp is
Upādānaseṭṭhañhetaṃ, ānanda, yadidaṃ—
the dimension of neither perception nor non-perception.
nevasaññānāsaññāyatanaṃ.
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Ven Thannisaro translate it as:
"Being sustained, Ananda, he is sustained by the supreme sustenance; for this — the dimension of neither perception nor non-perception — is the supreme sustenance.
https://www.accesstoinsight.org/tipitaka/mn/mn.106.than.html#fnt-1