Hadith 1:110
Narrated Mu’adh (rad):
He said: “Guard against the three things which cause curse (i.e.) defecating at the watering places, on the roadbeds and in the shades.” [Reported by Abu Dawud]
زَادَ أَبُو دَاوُدَ, عَنْ مُعَاذٍ: { وَالْمَوَارِدَ } (108)
Original Reference: Bulugh al-Maram 92