sutra

noun2

1. •
   A scriptural narrative, especially a discourse of the Buddha.

   • Shepard: This Code of the Justicar seems central to your life. Samara: It is five thousand sutras, and covers every situation one can encounter. I have memorized every word. There is only the Code. — 2010
2. •
   A rule or thesis in Sanskrit grammar or Hindu law or philosophy.