skyon bzhi
སྐྱོན་བཞི
four faults [attributed to the secret nucleus by gokhukpa lhetse in his 'byams-yig 1 The fault of the introduction klong log which claims that the Secret nucleus has no audience of bodhisattvas who requested and received it as is the case with other tantras, two the fault of time dus log which claims the Secret nucleus speaks of four times instead of three, three the fault of the mandala dkyil 'khor log which claims that Vajrasattva appears at the centre of the mandala instead of Vajradhara, four and the fault of the tantra itself [[rgyud log which claims that the Secret nucleus refers to other tantras when indicating the auspicious times and days for its practice These four faults have many aspects, and yet they are all refuted by jikme lingpa in his rgyud-'bum dris- len, by rikpei reldri and by others [gd]] [IW]
four faults [IW]