1. Samudayadhamma Sutta. Ignorance means ignorance that the nature of the body, feeling, etc., is to come to be and then pass away. S.iii.170.
2. Samudayadhamma Sutta. The same as Sutta (1), but the explanation is given by Sáriputta to Mahákotthita. S.iii.171.
3. Samudayadhamma Sutta. The Buddha teaches the monks about arising and the ending of the four satipatthánas. S.v.184.