Dighanikaya 0.26

0.26

‘Ahaṃ, bhikkhave, yāvadeva ākaṅkhāmi vivicceva kāmehi vivicca akusalehi dhammehi savitakkaṃ savicāraṃ vivekajaṃ pītisukhaṃ paṭhamaṃ jhānaṃ upasampajja viharāmi; kassapopi, bhikkhave, yāvadeva, ākaṅkhati vivicceva kāmehi vivicca akusalehi dhammehi savitakkaṃ savicāraṃ vivekajaṃ pītisukhaṃ paṭhamaṃ jhānaṃ upasampajja viharatī’ti (saṃ. ni. 2.152).

And: “Monks, as much as I wish, secluded from sensual pleasures, secluded from unwholesome states, I enter and dwell in the first absorption, which is accompanied by thought and examination, with joy and pleasure born of seclusion; Kassapa too, monks, as much as he wishes, secluded from sensual pleasures, secluded from unwholesome states, enters and dwells in the first absorption, which is accompanied by thought and examination, with joy and pleasure born of seclusion.”