He who, being of weak faculties [abilities], develops the wisdom of the first path with a dull insight is reborn seven times at most; after seven rebirths in states of bliss he will make an end of misery: he who develops it with medium faculties and insight is a roamer; after two or three rebirths he will make an end of misery: he who develops it with keen faculties and insight takes root but once, only one human birth will he pass through and make an end of misery. which belief system is this talking about