My apologie for replying late to kind responses. All these days I was travelling widely and had
connectivity problems.
Yes, I agree this is a standard Madhyamika doctrine.I wonder whether this
qoute may be anyway ascribed to Nagarjuna, who was the chief proponent of Madhyamika or
Sunnyavad doctrine.
However, i would look into the books and links referred by you.



ALAKENDU DAS.