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)
كَانَ آخِرَ قَوْلِ إِبْرَاهِيمَ حِينَ أُلْقِيَ فِي النَّارِ حَسْبِيَ اللَّهُ وَنِعْمَ الْوَكِيلُ