Sahih al-Bukhari · Hadith 2804

Fighting for the Cause of Allah (Jihaad)

Narrated `Abdullah bin `Abbas: That Abu Sufyan told him that Heraclius said to him, "I asked you about the outcome of your battles with him (i.e. the Prophet (ﷺ) ) and you told me that you fought each other with alternate success. So the Apostles are tested in this way but the ultimate victory is always theirs