Whoever does not philosophize for the sake of philosophy, but rather uses philosophy as a means, is a sophist.

Whoever does not philosophize for the sake of philosophy, but rather uses philosophy as a means, is a sophist.

凡不为哲学而哲学，而以哲学为手段的人，就是诡辩家。

-- Karl Wilhelm Friedrich Schlegel 卡尔·威廉·施勒格尔