History of the Arabs by Philip K. Hitti, p. 25
“phir unhon ne koi jawab nahi diya iska, balkeh us jagah chhod kar woh doosre doosre maqamat par chale gaye, aur hazrat hajra ko sahra mein basa diya ke yahan par ek nayi nasal uthegi, aur woh nature ke mahol mein, jis ko Maulana mister nature kehte the, to nature ke mahol mein woh tamam khusoosiyat ko le kar, jis ko Huda ne Almarwa kaha hai, main lines, woh le kar paida”