The Shurangama Sutra Volume 6: Complete Text - Mahayana Buddhist Concepts of Eliminating Lust, Killing, Meat-Eating, Stealing, and Lying, and the Basic Precepts and Mental Purification for Practitioners
The Shurangama Sutra Volume 2: The entire scripture - All phenomena are Mind only, the True Mind is unchanging, transcending all dualities, but sentient beings cannot see their nature due to delusion and attachment.