Damage and reparation are central themes of human existence. Melanie Klein, among other pivotal discoveries, noted our capacity for destructiveness towards others and ourselves. More importantly, she accented the centrality of reparation for mental health. Acceptance of the truth, 'inner' and 'outer', is essential to this process.The author goes on to explain the phenomenon of reparation around the themes of truth (aletheia), faith (pistis) and repentance/transformation (metanoia), especially as they appear in the philosophical works of Martin Heidegger and the psychoanalyst Wilfred Bion. He then continues following the phenomenon of metanoia, tracing it sequentially in the works of Melanie Klein, Wilfred Bion, Martin Heidegger, C.G. Jung and R.D. Laing. These thinkers have a surprisingly high degree of reflection upon and import into common, everyday lived experience. Brent Potter's work concludes with a critique of psychiatry, cognitive-behavioral and manualised approaches to psychological distress. He then presents modalities and programs, utilizing a metanoia perspective, that are rising to replace them.