that the Messenger of Allah (ﷺ) said: "Whoever goes out seeking knowledge, then he is in Allah's cause until he returns."
Jami` at-Tirmidhi Book 41, Hadith 3
← Previous Hadith that the Messenger of Allah (ﷺ) said: "Whoever takes a path upon which to obtain knowledge, Allah makes the path to Paradise easy for him."

Jami` at-Tirmidhi Book 41, Hadith 2 Next Hadith → narrated that the Prophet (ﷺ) said: "Whoever seeks knowledge, he is atoning for what has passed (of sins while doing so)."

Jami` at-Tirmidhi Book 41, Hadith 4