Because not even the least Dharma is there found or got at. Therefore is it called 'utmost, right and perfect enlightenment'. Self-identical is that Dharma and nothing is therein at variance. Therefore is it called 'utmost, right and perfect enlighten'
These teachings are like a raft, to be abandoned once you have crossed the flood. Since you should abandon even good states of mind generated by these teachings, How much more so should you abandon bad states of mind!
If you are tossed about by doubts, full of strong thoughtless passions, and yearning only for that which is detrimental, your thirst will grow stronger and stronger, unquenched, and your pain will grow with your defilements.
Dependent Origination is the teaching (that life) is not the mere play of blind chance, but has an existence that is dependent upon conditions. That, precisely with the removal of these conditions, those things that have arisen in dependence upon them-thus also all suffering-must perforce disappear and cease to be.
(The real brahmin is the one who:) ... has crossed beyond duality ...knows no this shore, other shore, or both ...(is) settled in mind ... without inflowing thoughts ...is without attachment ...endures undisturbed criticism, ill-treatment and bonds, (and is) strong in patience ...(is) without anger, devout, upright, free from craving, disciplined and in his last body ...has experienced the end of his suffering here in this life, who has set down the burden, freed!