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Virtue, Morality (sīla): Is a mode of mind and volition manifested in speech or bodily actions. Karma. It is the foundation of the whole Buddhist practice, and therewith the first of the Three kinds of Training that forms the 3-fold division of the 8-fold path, i.e., morality, concentration, and wisdom. Buddhist Dictionary, Nyanatiloka.
Wisdom (pañña): ‘Understanding, Knowledge, Wisdom, Insight,’ comprise a very wide field. The specific Buddhist Knowledge or wisdom, however, as part of the Noble Eightfold Path to deliverance is Insight, i.e., that intuitive knowledge which brings about the four stages of Holiness and the realization of Nibbānna, and which consists of the penetration of the Impermanency, Misery, and Impersonality of all forms of existence. Buddhist Dictionary, Nyanatiloka.
Papañca: Complication; proliferation, objectification: The tendency of the mind to proliferate issues.
Right Intention (sammā-sankappa): The Noble Eightfold Path. Bhikkhu Bodhi. Chapter Three.
Abbreviations in footnotes: AN: Aṅguttara Nikāya, DN: Dingha Nikāya, MN: Majjhima Nikāya, SN: Saṃyutta Nikāya