1. Vedanāya Sutta. Feelings arising from eye contact are impermanent, likewise from ear contact, etc. S.iii.226.
2. Vedanāya Sutta. The feeling born of contact by the eye, ear, etc., this is the appearing of decay and death. The ceasing of the former is the coming to end of the latter. S.iii.230.
3. Vedanāya Sutta. The desire and lust that is in feeling born of contact of the eye, etc., this is a corruption of the heart. S.iii.233.