སྨྲས་པ་ཚེ་དང་ལྡན་པ་རབ་འབྱོར་དེ་ལྟ་མ་ཡིན་ནོ། །
Subhūti then asked, “Venerable Śāradvatīputra, if that which is not mind has neither existence nor nonexistence, and if it cannot be apprehended, how then, Venerable Śāradvatīputra, can you be correct in asking ‘Does this mind that is not the mind exist?’ ”
Emptiness, Meditative Concentration, Non-Duality