Al-Anfal 66

ٱلْـَٔـٰنَ خَفَّفَ ٱللَّهُ عَنكُمْ وَعَلِمَ أَنَّ فِيكُمْ ضَعْفًا ۚ فَإِن يَكُن مِّنكُم مِّا۟ئَةٌ صَابِرَةٌ يَغْلِبُوا۟ مِا۟ئَتَيْنِ ۚ وَإِن يَكُن مِّنكُمْ أَلْفٌ يَغْلِبُوٓا۟ أَلْفَيْنِ بِإِذْنِ ٱللَّهِ ۗ وَٱللَّهُ مَعَ ٱلصَّـٰبِرِينَ

al-āna khaffafa l-lahu ʿankum waʿalima anna fīkum ḍaʿfan fa-in yakun minkum mi-atun ṣābiratun yaghlibū mi-atayni wa-in yakun minkum alfun yaghlibū alfayni bi-idh'ni l-lahi wal-lahu maʿa l-ṣābirīna

Now, Allāh has lightened [the hardship] for you, and He knows that among you is weakness. So if there are from you one hundred [who are] steadfast, they will overcome two hundred. And if there are among you a thousand, they will overcome two thousand by permission of Allāh. And Allāh is with the steadfast.