(keywords) (slightly edited version) Monastic retreat, intensification, purification, Dhammapada 239, transformation of carbon dust, self-trust, safety, negative emotions, denied dukkha, dross, 5 spiritual faculties, faith, energy, mindfulness, collectedness, discernment, working out, faith, trust, impaired, belief, akin, mechanisms for avoiding dukkha, gentle, soft, open, distrusting, spurious, damaged goods, pseudo-spiritual, aliveness, intolerably painful, abusing drugs, spiritual friends, kidding ourselves, collectedness, just-so, agility, discernment, humility, failure, potentials.