He shows that they themselves gave Titus the occasion and cause for such love. For after saying, 'his inward affection is more abundant toward you,' he adds, 'remembering the obedience of you all.'
'Remembering.' By this the Apostle expresses Titus' gratitude. He parted from them having impressed them all upon his soul, and he always remembers them. He continually has them on his lips and in his heart.
At the same time he praises the Corinthians still more, because they sent Titus away after giving him such a zealous reception. Then he also recalls their obedience: 'remembering your obedience,' thereby stirring their zeal" (St. Chrysostom).
This was obedience to the Apostle's word in the epistle, which it was so pleasing for Titus to encounter. Perhaps it was also obedience to Titus' own word, with which he accompanied the reading of the epistle, adding his own counsels and exhortations.
Thus Theodoret says: "He too is very well disposed toward you, and preserves an unforgettable remembrance of you, recounting how you submitted to his counsels."
"How you received him with fear and trembling." "That is, not only with love, but also with great honor. Do you see how he bears witness to their twofold virtue?
They loved Titus as a father and feared him as a superior. In them fear did not darken love, nor did love weaken fear" (St. Chrysostom).
Both obedience, and fear, and trembling were shown in the person of Titus to the Apostle himself. Yet with his usual modesty, he attributes all this now to Titus, now to the goodness of the Corinthians. The final words lead to this thought: