1. Rúpa Sutta. Two of a group of suttas preached to Ráhula, to show him that all things are fleeting, unhappy and changeable. S.ii.245, 251.
2. Rúpa Sutta. He who realizes the impermanence of the body and the other khandhas becomes a sotápanna. S.iii.225.
3. Rúpa Sutta. The cessation of suffering, disease, decay and death, is identical with the cessation of the five sense objects forms, sounds, etc. S.iii.229.
4. Rúpa Sutta. Desire and lust, which arise from forms, sounds, etc., are corruption of the heart; the getting rid of them leads to higher knowledge. S.iii.232.