要经典(yào jīng diǎn) “an important scripture” Cf. 要典(yào diǎn);
not found at HD. 8.762.; not found at DK. 10.307.;
134b2.当勤听受此要经典。其不信者，当令信乐(p)
K. 485.4.dharma-paryāya~; L. 52c18.《法华经》;