GOPĪ MAHITĀ, BHĀĪ, accompanied by Bhāī Tīrath, Bhāī Natthā, Bhāī Bhāū Mokal and Bhāī Ḍhillī Maṇḍal, once visited Gurū Arjan. One of them, as says Bhāī Manī Siṅgh, Sikhāṅ dī Bhagat Mālā, said: "Lord, Prithī Mall and Mahādev [the Gurū's brothers] are also composing verses using the name of (Gurū) Nānak as nom de plume which makes it difficult to know the genuine from the counterfeit." The Gurū, addressing himself to Bhāī Gurdās, spoke: "Today there are many Sikhs who know which are the true compositions of the Gurūs, but tomorrow there may be none. The hymns of the Gurūs should therefore be collected and compiled into a single volume. You may straghtway start working with what is available here in our household, and arrange to procure what is not. Use the Gurmukhī script in your transcription." It was in this way that the Gurū Granth Sāhib came to be compiled (Vārāṅ, XI.26).