The Buddha explains the importance of accomplishment in wise attention in the development and cultivation of the noble eightfold path.
“Sūriyassa, bhikkhave, udayato etaṁ pubbaṅgamaṁ etaṁ pubbanimittaṁ, yadidaṁ—aruṇuggaṁ; evameva kho, bhikkhave, bhikkhuno ariyassa aṭṭhaṅgikassa maggassa uppādāya etaṁ pubbaṅgamaṁ etaṁ pubbanimittaṁ, yadidaṁ—yonisomanasikārasampadā. Yonisomanasikārasampannassetaṁ, bhikkhave, bhikkhuno pāṭikaṅkhaṁ—ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāvessati, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkarissati.
“Bhikkhus, just as the dawn precedes and predicts the rising of the sun, so too does accomplishment in wise attention precede and predict the arising of the noble eightfold path for a bhikkhu. For a bhikkhu accomplished in wise attention and careful attending, it is expected that he will develop and extensively cultivate the noble eightfold path.
Kathañca, bhikkhave, bhikkhu yonisomanasikārasampanno ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāveti, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkaroti? Idha, bhikkhave, bhikkhu sammādiṭṭhiṁ bhāveti vivekanissitaṁ virāganissitaṁ nirodhanissitaṁ vossaggapariṇāmiṁ; sammāsaṅkappaṁ bhāveti vivekanissitaṁ …pe… sammāvācaṁ bhāveti …pe… sammākammantaṁ bhāveti …pe… sammāājīvaṁ bhāveti …pe… sammāvāyāmaṁ bhāveti …pe… sammāsatiṁ bhāveti …pe… sammāsamādhiṁ bhāveti vivekanissitaṁ virāganissitaṁ nirodhanissitaṁ vossaggapariṇāmiṁ. Evaṁ kho, bhikkhave, bhikkhu yonisomanasikārasampanno ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāveti, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkarotī”ti.
And how, bhikkhus, does a bhikkhu accomplished in careful attention develop and extensively cultivate the noble eightfold path? Here, bhikkhus, a bhikkhu develops right view |dependent on seclusion::supported by detachment, by means of disengagement [vivekanissita]|, |supported by dispassion::based on fading of desire [virāganissita]|, |based on ending::supported by cessation [nirodhanissita]|, |culminating in complete relinquishment::ripening in release, culminating in letting go [vossaggapariṇāmī]|; similarly he develops right intention, right speech, right action, right livelihood, right effort, right mindfulness, and right collectedness, dependent on seclusion, supported by dispassion, based on ending, culminating in complete relinquishment. Thus indeed, bhikkhus, a bhikkhu accomplished in wise attention and careful attending develops and extensively cultivates the noble eightfold path.”
“Bhikkhus, just as the dawn precedes and predicts the rising of the sun, so too does accomplishment in wise attention precede and predict the arising of the noble eightfold path for a bhikkhu. For a bhikkhu accomplished in wise attention and careful attending, it is expected that he will develop and extensively cultivate the noble eightfold path.
And how, bhikkhus, does a bhikkhu accomplished in careful attention develop and extensively cultivate the noble eightfold path? Here, bhikkhus, a bhikkhu develops right view |dependent on seclusion::supported by detachment, by means of disengagement [vivekanissita]|, |supported by dispassion::based on fading of desire [virāganissita]|, |based on ending::supported by cessation [nirodhanissita]|, |culminating in complete relinquishment::ripening in release, culminating in letting go [vossaggapariṇāmī]|; similarly he develops right intention, right speech, right action, right livelihood, right effort, right mindfulness, and right collectedness, dependent on seclusion, supported by dispassion, based on ending, culminating in complete relinquishment. Thus indeed, bhikkhus, a bhikkhu accomplished in wise attention and careful attending develops and extensively cultivates the noble eightfold path.”
“Sūriyassa, bhikkhave, udayato etaṁ pubbaṅgamaṁ etaṁ pubbanimittaṁ, yadidaṁ—aruṇuggaṁ; evameva kho, bhikkhave, bhikkhuno ariyassa aṭṭhaṅgikassa maggassa uppādāya etaṁ pubbaṅgamaṁ etaṁ pubbanimittaṁ, yadidaṁ—yonisomanasikārasampadā. Yonisomanasikārasampannassetaṁ, bhikkhave, bhikkhuno pāṭikaṅkhaṁ—ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāvessati, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkarissati.
Kathañca, bhikkhave, bhikkhu yonisomanasikārasampanno ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāveti, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkaroti? Idha, bhikkhave, bhikkhu sammādiṭṭhiṁ bhāveti vivekanissitaṁ virāganissitaṁ nirodhanissitaṁ vossaggapariṇāmiṁ; sammāsaṅkappaṁ bhāveti vivekanissitaṁ …pe… sammāvācaṁ bhāveti …pe… sammākammantaṁ bhāveti …pe… sammāājīvaṁ bhāveti …pe… sammāvāyāmaṁ bhāveti …pe… sammāsatiṁ bhāveti …pe… sammāsamādhiṁ bhāveti vivekanissitaṁ virāganissitaṁ nirodhanissitaṁ vossaggapariṇāmiṁ. Evaṁ kho, bhikkhave, bhikkhu yonisomanasikārasampanno ariyaṁ aṭṭhaṅgikaṁ maggaṁ bhāveti, ariyaṁ aṭṭhaṅgikaṁ maggaṁ bahulīkarotī”ti.