Vijñāna Bhairava Tantra · 1.162

Vijñāna Bhairava Tantra 1.162

1.162
कुलगुह्यं समाख्यातं न देयं प्रोक्ष्य कस्यचित् । शिष्याय भक्तियुक्ताय अन्यथा गुरुघातकः ॥१६२॥
kulaguhyaṃ samākhyātaṃ na deyaṃ prokṣya kasyacit | śiṣyāya bhaktiyuktāya anyathā gurughātakaḥ
anuṣṭubh
— the family secret ; — to a disciple endowed with devotion ; — slayer of the guru ; — has been fully declared ; — is not to be given ; — by examining (i.e., to no one without testing) ; — otherwise

This Kula-secret has been declared; it must not be given to just anyone. (Give it) to a disciple endowed with devotion — otherwise, one is a slayer of the guru.