Majjhima Nikaya 3:129
SUJATOYasmiṁ samaye, bhikkhave, bhikkhuno pītimanassa kāyopi passambhati, cittampi passambhati, passaddhisambojjhaṅgo tasmiṁ samaye bhikkhuno āraddho hoti, passaddhisambojjhaṅgaṁ tasmiṁ samaye bhikkhu bhāveti, passaddhisambojjhaṅgo tasmiṁ samaye bhikkhuno bhāvanāpāripūriṁ gacchati.
tranquility …