His Statement: "Those (i.e., believers) unto whom the people (hypocrites) said, 'Verily the people (Mushrikūn) have gathered against you (a great army), therefore, fear them..."' (V .3:173) Sahih al-Bukhari 4564

Arabic hadith text
حَدَّثَنَا مَالِكُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا إِسْرَائِيلُ، عَنْ أَبِي حَصِينٍ، عَنْ أَبِي الضُّحَى، عَنِ ابْنِ عَبَّاسٍ، قَالَكَانَ آخِرَ قَوْلِ إِبْرَاهِيمَ حِينَ أُلْقِيَ فِي النَّارِ حَسْبِيَ اللَّهُ وَنِعْمَ الْوَكِيلُ‏.‏
Translation
Narrated Ibn `Abbas

The last statement of Abraham when he was thrown into the fire was:--"Allah is Sufficient for us and He is the Best Disposer (of affairs for us)." (3.173)