摩訶止觀 3.106

3.106

若言：「凡夫行世間，不知世間相。」凡夫尚不知世間之俗，那得知真？故知二諦皆非凡情所識。如此說者，豈非隨智說二諦？二諦既有三番說，三諦例此可解。

If it is said, 'Ordinary people wander in the world and do not know the characteristics of the world'—ordinary people do not even know the conventionality of the world, so how could they know the true? Therefore one knows that the two truths are not known by ordinary sentiment. Is expounding like this not expounding the two truths in accord with knowledge? Since the two truths have three modes of explanation, the three truths can be understood by analogy with this.