1. Vipatti Sutta. On the three kinds of failure: failure in morals, in mind (citta), and in view. A.i.268.
2. Vipatti Sutta. On seven things which lead to a lay disciple's decline: failure to see monks; neglect in hearing the Dhamma; lack of training in higher virtue; having no trust in elders, novices or mid term monk; listening to the Dhamma in order to criticize; giving gifts first outside the Order. A.iv.26f.