These ponderings attempt to let themselves be appropriated by the event. (Beiträge zur Philosophie (Vom Ereignis), Martin Heidegger, 1936–38/1989)
https://en.wikipedia.org/wiki/Grounded_theory
https://zh.wikipedia.org/zh-tw/%E7%B4%AE%E6%A0%B9%E7%90%86%E8%AB%96