This talk introduces the four heavenly abodes (Brahma Viharas), their relationship to one another, they're near and far enemies and a range of motivations for practice. The second half of the talk is dedicated to the practice of compassion, the second of the four Brahma Viharas
Conscious recollection (eg of Buddha and of death) uses the doing thinking mind to touch and enter the citta as heart. This shifts us out of our personal mindset into the mind-tone of the sacred.