Vijnana Bhairava Tantra Verse 40

Sanskrit

यस्य कस्यापि वर्णस्य पूर्वान्ताव् अनुभावयेत्।
शून्यया शून्यभूतोऽसौ शून्याकारः पुमान् भवेत्॥ ४०॥

Transliteration

yasya kasyāpi varṇasya pūrvāntāv anubhāvayet|
śūnyayā śūnyabhūto’sau śūnyākāraḥ pumān bhavet|| 40 ||

Translation

Whoever contemplates even on the matras or letters (of Aum) from first to last, in the form of void, verily that sadhaka by meditation on the void becomes the void.