1. Bhāvanā Sutta.– A monk may wish to be free from the corruptions (āsava) and from attachment, but his wish will be fruitless unless he develops the four foundations of mindfulness (satipaṭṭhāna), the four right efforts (sammāppadhāna), the four bases of success (iddhipāda), the five controlling faculties (indriya), the five powers (balāni), the seven factors of enlightenment (bojjhaṅga), and the eight factors of the noble path (maggaṅga). Without these, he resembles one who waits for eggs to hatch when there is no hen. However, if the monk develops these qualities he will wear away the corruptions, etc., and be aware that they are worn away, like a carpenter who knows when the handle of his adze is worn away; all these things will weaken and rot away like a ship out of the water all the winter, exposed to wind and rain. A.iv.125 f.