成唯識論演祕 5.683

5.683

釋曰：趣猶向也，入是解也，尋謂推尋，此趣、尋等各有勝劣，故有「極」言。餘文可悉。

Explanation: 'To enter' means to turn toward; 'deeply enter' means understanding; 'to investigate' means to examine. These entries and investigations each have superior and inferior [degrees], hence the word 'deeply'. The rest of the text can be understood.