Vijnana Bhairava Tantra
किञ्चिज्ज्ञातम् द्वैतदायि बाह्यालोकस्तमः पुनः । विश्वादि भैरवं रूपं ज्ञात्वानन्तप्रकाशभृत् ॥ ८६ ॥
Knowing a bit about duality, the outer light and darkness in the manifest world and so on, one who again experiences the infinite form of Bhairava procures illumination.
english translation