Patristic A.D. 390
“(Orat. 40.) He fasted in truth forty days, eating nothing. (For He was God.) But we regulate our fasting according to our strength, although the zeal of some persuades them to fast beyond what they are able.”
Catena Aurea: Gospel of Luke, as excerpted in the Catena Aurea on Luke 4:1-4
PD · J. H. Newman (Oxford, 1843) ↗