====== 所以者何 ====== 所以者何(suǒ yǐ zhě hé)　“What is the reason?”　

not found at HD. 7.350.; not found at DK. 5.67.;

81a10(K. 110.2.tat kasya hetoḥ; L. 17c1.所以者何)

81a18(K. 110.4.do.; L. 17c4.do.)

83c6(K. 124.5.do.; L. 19b26.do.)