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Only those who possess the seven **riddhis** (psychic powers) from the **Gunasthanavati** (those who have attained the highest spiritual state), or at least one of them, and among the **riddhi-prapta** (those who have attained psychic powers), only the **Vardhaman** (the present Tirthankara) and the **vishist charitra-dhari muniraj** (the monks with exceptional character) can possess **manah-paryaya-gyan** (knowledge of the thoughts of others).
171. Question: What is the difference between **rijumati** and **vipulamati** **manah-paryaya-gyan**? Answer: The difference lies in their purity and the ability to perceive or not perceive. **Vipulamati** **manah-paryaya-gyan** is more pure than **rijumati** and **rijumati** is **pratipati** (perceiving) while **vipulamati** **manah-paryaya-gyan** is **apratipati** (not perceiving). A **rijumati** **manah-paryaya-gyani** first knows the object in another's mind through **iha-mati-gyan** (knowledge of the present) and then directly through **rijumati** **manah-paryaya-gyan** according to the rules. A **vipulamati** **manah-paryaya-gyani** directly knows the object in another's mind, which can be **chint** (thought), **achint** (unthought), or **ardha-chint** (half-thought), and many other variations.
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