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## Chapter 142: Description of the Six Substances and Five Astikayas, but Only Knowledge is One
**Verse 5:**
The description of the six substances and five astikayas is given, but only knowledge is one. The five types of knowledge (mati, shruta, avadhi, mana, and kevala) are explained in terms of their differences, but these are for practical purposes. In reality, the soul is the light of one, undivided knowledge, just like the sun without clouds.
**Commentary:**
This verse concludes the explanation of the five types of knowledge (mati, shruta, avadhi, mana, and kevala). The commentary emphasizes that these distinctions are for practical purposes and that in reality, there is only one, undivided knowledge. The soul is the light of this knowledge, just like the sun without clouds.
**Verse 6:**
The three types of ignorance are described:
* **Michchhatta:** Wrong belief, which arises from the false perception of substances.
* **Annan:** Non-knowledge, which is the absence of knowledge.
* **Avirati:** Non-restraint, which is the lack of control over the senses.
**Commentary:**
This verse describes the three types of ignorance: wrong belief, non-knowledge, and non-restraint. These are the obstacles to attaining liberation.
**Explanation:**
* **Michchhatta:** Wrong belief arises from the false perception of substances. This is the belief that the soul is the body, or that the world is permanent.
* **Annan:** Non-knowledge is the absence of knowledge. This is the lack of understanding of the true nature of reality.
* **Avirati:** Non-restraint is the lack of control over the senses. This is the inability to resist the temptations of the world.
These three types of ignorance are the root cause of suffering. By overcoming them, one can attain liberation.