Invocation for someone who offers you food when you are fasting, which you decline

1. (إِذَا دُعِيَ أَحَدُكُمْ فَلْيُجِبْ، فَإِنْ كَانَ صَائِمًا فَلْيُصَلِّ وَإِنْ كَانَ مُفْطِرًا فَلْيَطْعَمْ). وَمَعْنَى فَلْيُصَلِّ أَيْ: فَلْيَدْعُ

Fortress of the Muslim (Hisn al-Muslim), Sa'id al-Qahtani.