1. Phassa Sutta. Because of diversity in elements arises diversity of perceptions, etc. S.ii.146.
2. Phassa Sutta. Eye contact is impermanent, changeable; so is it with the others. S.iii.226.
3. Phassa Sutta. The arising of contact by the six senses is the arising of decay and death; and, similarly, its cessation. S.iii.230.
4. Phassa Sutta. The desire and lust which is in the contact of the six senses is a corruption of the heart. S.iii.233.