The crisis of European sciences consists in positive science losing its connection to the human life-world.
Die Krisis der europäischen Wissenschaften besteht darin, daß die positive Wissenschaft den Bezug auf die menschliche Lebenswelt verloren hat.

Philosophers
Edmund Husserl
Austrian-German philosopher and mathematician (1859-1938), founder of phenomenology. His "phenomenological reduction" — bracketing assumptions to return "to the things themselves" — shaped Heidegger, Sartre, and others.
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Source: フッサール『ヨーロッパ諸学の危機と超越論的現象学』§9 (1936年)Verified