Bhante Sujato. Meditation on investigating causes and qualities rather than only a method. Dhamma talk on Rohitassa Sutta SN2.26. The many layers of meaning in this sutta that are not immediately obvious. The relationship of this sutta's definition of the world to the rays of the sun, the noble truth of suffering, lights. Other References: SN35.116 Lokantagamana Sutta, SN 46.33 Upakkilesa Sutta, Bṛhadāraṇyaka Upaniṣad S.3 Verse 4.3.2