Thu?c extensive ??m ho?c tiêu ??m ???c s? d?ng ?? làm l?ng ch?t ti?t ra t? niêm m?c ph? qu?n và khí qu?n.Pai-chang Huai-hai advised a college student who was grappling with tough parts of suttas, "Choose up terms to be able to manifest which means and you will attain 'this means'. Cut off words and indicating is emptiness. Emptiness will be th