[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Reference works](https://indike.org/pramana/ins.reference) › [Dictionary of Pali Proper Names](https://indike.org/pramana/ins.reference.malalasekera-1937) › v1.c9.857 # Dictionary of Pali Proper Names v1.c9.857 Dictionary of Pāli Proper Names v1.c9.857 - **Language:** English ### [v1.c9.857](https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9.857) 2. Upakkilesa Sutta.—Gold ore must be purified from all its dross before it can be used for making ornaments, etc.; similarly, the mind must be freed from its impurities—the five \*nīvaraṇas\*—before it can be used for acquiring the higher knowledge.¹ - [Previous: v1.c9.856](https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9.856) - [Next: v1.c9.858](https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9.858) - [Up: v1.c9](https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9) --- Source: [https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9.857](https://indike.org/pramana/ins.reference.malalasekera-1937.v1.c9.857) · Pramāṇa