“When forces advanced against you, We sent a wind against them as well as hosts you could not see; and Allah was watching over all that you were doing.” (Al-Ahzab 33:9)

He, exalted is He, also said about the Battle of Hunayn:

“Then Allah sent down His tranquillity upon His Messenger and upon the believers, sent down hosts you could not see, and punished those who disbelieved. Such is the recompense of the unbelievers.” (Al-Tawbah 9:26)

And He, exalted is He, said concerning the Emigration (hijrah):

“He was the second of two when they were in the cave, and he said to his companion, ‘Do not grieve; Allah is indeed with us.’ Then Allah sent down His tranquillity upon him, supported him with hosts you could not see, and made the word of those who disbelieved the lowest, while the Word of Allah is the highest.” (Al-Tawbah 9:40)

And He, exalted is He, said regarding Badr:

“When your Lord revealed to the angels, ‘I am with you—so make firm those who believe. I shall cast terror into the hearts of the disbelievers…’” (Al-Anfal 8:12)

Both Ṣaḥīḥs record—Muslim’s wording—from Ibn ʿAbbās, from ʿUmar ibn al-Khaṭṭāb, who said:

“When the Day of Badr arrived, the Messenger of Allah—may Allah bless him and grant him peace—looked …”