Aṅguttara Nikāya - Pañcaka Nipāta Pāḷi, Chakka Nipāta Pāḷi, Sattaka Nipāta Pāḷi, Aṭṭhaka Nipāta Pāḷi, Navaka Nipāta Pāḷi, Dasaka Nipāta Pāḷi, Ekādasaka Nipāta Pāḷi. There are five strengths possessed by a person in training for higher knowledge: faith, shame (to do evil), moral dread, energy and insight-knowledge.