The Prophet ﷺ said, "If people knew what I know about being alone, no rider would travel by night on his own."
عن النبي ﷺ قال: لو يعلم الناس ما في الوحدة ما أعلم سار راكب بليل وحده.
Bukhari narrated it in the Book of Jihad and Expeditions (2998) through several routes from Aasim bin Muhammad bin Zayd bin Abdullah bin Umar, from his father, from Ibn Umar, who said, and then he mentioned it.