To be free from bondage the wise person must practise discrimination between One-Self and the ego-self.
By that alone you will become full of joy, recognising Self as Pure Being, Consciousness and Bliss.
Fools make researches and wise men exploit them - that is our earthly way of dealing with the question, and we thank Heaven for an assumed abundance of financially impotent and sufficiently ingenious fools.
So in this case, Kalamas, don't go by reports, by legends, by traditions, by scripture, by logical conjecture, by inference, by analogies, by agreement through pondering views, by probability, or by the thought, 'This contemplative is our teacher.' When you know for yourselves that, 'These qualities are unskillful; these qualities are blameworthy; these qualities are criticized by the wise; these qualities, when adopted & carried out, lead to harm & to suffering' - then you should abandon them.
Few cross over the river. Most are stranded on this side. On the riverbank they run up and down. But the wise man, following the way, Crosses over, beyond the reach of death. He leaves the dark way For the way of light.