(4) باب مَا جَاءَ فِي كَرَاهِيَةِ أَنْ يُسَافِرَ الرَّجُلُ وَحْدَهُ
Narrated Ibn 'Umar:
That the Messenger of Allah (ﷺ) said: "If the people knew what I know about being alone, then a rider would not journey at night." - meaning alone. (RU)
Reference (RU): Jami` at-Tirmidhi 1673 (RU)
In-book reference (RU): Book 23, Hadith 4 (RU)
English translation (RU): Vol. 3, Book 21, Hadith 1673 (RU)