This is the sixth chapter of the Chāndogya Upaniṣad, containing up to 16 khaṇḍas (sections). The chapter narrates the dialogue between the father, Uddālaka Aruṇa, and his son, Śvetaketu. In this conversation, Aruṇa imparts insight into Brahman (the supreme reality) to Śvetaketu. The well-known mahāvākya (great phrase) "tat tvam asi" is discussed in this chapter. This manuscript is similar to Item 1146, 944, 1209, 1213 and 1211. (Written in 10–12 lines per leaf.; 7 leaves foliated 4–10, upper left and lower right verso. Mistakes covered over in yellow or blacked out; some corrections and additions in margins; significant phrases, words, symbols, highlighted with red.)