The first is the foundation, a development of precepts, virtue, or morality in order to bring happiness, comfort, and harmony among people.
The second, more intensive and unconcerned with comfort is the practice of Buddha Dharma directed solely toward awakening, toward the liberation of the heart. This liberation is the source of wisdom and compassion and the true reason for the Buddha's teaching."
A Still Forest Pool. The Insight Meditation of Achaan Chah.
Jack Kornfield and Paul Breiter eds. Quest, 1985.