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看遍了世間的人情冷暖，才認識到曠達灑脫的可貴；嘗遍了世間的種種滋味，才知道清凈淡泊的真切內涵。

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

語言是存在之家。