Sforno on Deuteronomy 31:17/ספורנו על דברים ל״א:י״ז

1ועזבתים, to the various nations who will overpower them.

2והסתרתי פני מהם, after they will have fallen under the control of the gentile nations who will abuse them and oppress them I will ignore my natural sense of pity, and make believe as if I were unaware of their plight.

3על כי אין אלוקי בקרבי מצאוני הרעות, all of this has befallen me because G’d has abandoned me. Seeing that they feel abandoned, they will not bother to pray to Me, nor will they do teshuvah, considering such prayer futile, wasted.