These ponderings attempt to let themselves be appropriated by the event. (Beiträge zur Philosophie (Vom Ereignis), Martin Heidegger, 1936–38/1989)
https://www.karnacbooks.com/product/the-power-of-group-attachment-john-bowlby-revisited-from-a-group-analytic-perspective/97763/ (accessible via Perlego)