… how is the liberation of the mind by lovingkindness developed? What does it have as its destination, its culmination, its fruit, its final goal?

Some wanderers tell some Buddhist mendicants that they, too, teach the five hindrances and the four Brahmā meditations, so what is the difference? The Buddha explains the detailed connection between the Brahmā meditations and the awakening factors, which taken together lead to liberation.