大般涅槃經義記 4.51

4.51

第四段中，「是故不得定言乳中無有酪相」正明無二，是酪從於乳中生故，不得定言乳中無酪相，而生後酪，故性無二。「從他生者，離乳而有無有是處」破他定二。從他生者，舉異見人；離乳而有，舉異見言；無有是處，以理正非。離乳有酪無是處故，明非定二。

In the fourth section, 'therefore one cannot definitely say that within milk there is no characteristic of cheese' properly explains non-duality. Because this cheese is produced from within milk, one cannot definitely say that within milk there is no characteristic of cheese, yet it produces subsequent cheese; therefore their nature is non-dual. 'If it originated from another, that it exists apart from milk is impossible' refutes the other's fixed duality. 'Those originating from another' cites the proponent of divergent views; 'existing apart from milk' cites the assertion of the divergent view; 'is impossible' properly negates it through principle. Because it is impossible for cheese to exist apart from milk, it shows that it is not fixedly two.