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) (ES)
USC-MSA web (English) reference: Vol. 6, Book 60, Hadith 87 (ES)
Arabic reference (ES): Book 65, Hadith 4564 (ES)