Vedic texts that there is "a prohibition of doing harm to any living creature", however, the scriptures state, "only in danger of life, in cases of highest need, food of any kind is permitted to be eaten". The last three sutras of the chapter 3 assert that a person, pursuing means to spiritual knowledge, should seek a childlike state of innocence, a psychological state that is free of anger, self-centeredness, pride and arrogance. The text declares that according to the Vedic literature knowledge is possible in this life, that one is one's own obstruction in this journey, that liberation and freedom is the fruit of knowledge. Chapter 4: The benefits of spiritual knowledge Fourth chapter (Phala: the result): talks of the state that is achieved in final emancipation. This is the shortest chapter with 78 sutras and 38 adhikaranas. The last chapter contains fourteen Adhikaranas in its first Pada, eleven in second, six in third, and seven Adhikaranas in the fourth. The last chapter of the Brahma Sūtras discusses the need and fruits of self-knowledge, the state of freedom and liberation. The opening sutras of chapter 4 continue the discussion of meditation as means to knowledge, with sutra 4.1.3 summarizing it to be the state where the person accepts, "I am Brahman, not another being" (Adi Shankara), as "Thou indeed I am, O holy divinity, and I indeed thou art, O holy divinity" (Jabalas), and "God is to be contemplated as the Self" and the individual is as the body of God (Ramanuja). The liberated soul, asserts the Brahma Sūtras, is of the nature of Brahman, with inner power and knowledge, free from evil, free from grief, free from suffering, one of bliss and "for such there is freedom in all worlds". Commentaries Numerous commentaries have been written on the Brahma Sūtras text, but many such as that of Bodhayana, Upavarsa, and eighteen out of twenty one mentioned by Narayana in Madhvavijaya-bhava-prakashika are considered lost. Of the surviving commentaries, the earliest extant one is by Adi Shankara. The diversity of Brahma Sūtras commentaries by various sub-schools of Hinduism (see table) attests to the central importance of the Upanishads, that the text summarizes. Exegesis The sutras in the text can be, and have been read in different ways. Some commentators read each line separately, while others sometimes read two as one treating some sutras as contextually connected. Creative readers have read