You yourself observe the fasts uninterruptedly (but you forbid us to do so) Upon this he said: I am not like you; I am fed and supplied drink (by Allah). (Using translation from Muslim 1102b)
أَنَّ رَسُولَ اللهِ ﷺ وَاصَلَ فِي رَمَضَانَ فَوَاصَلَ النَّاسُ فَنَهَاهُمْ فَقِيلَ لَهُ إِنَّكَ تُوَاصِلُ قَالَ إِنِّي لَسْتُ مِثْلَكُمْإِنِّي أُطْعَمُ وَأُسْقَى