Four circumstances which destroy one's source of virtue
From Rigpa Wiki
- Not dedicating one's positive action to the attainment of perfect buddhahood for the sake of others
- Regretting one's positive action
- Boasting about one's positive action
- Khenpo Ngawang Palzang, A Guide to the Words of My Perfect Teacher, translated by Padmakara Translation Group, Shambhala, 2004, pages 27-28.