In particular, Abraham exercised faith in the promised “seed ” to come in his line. That Seed proved to be the Messiah, or Christ.
فَإِبْرَاهِيمُ مَارَسَ ٱلْإِيمَانَ بِشَكْلٍ خَاصٍّ ‹ بِٱلنَّسْلِ › ٱلْمَوْعُودِ بِهِ ٱلَّذِي سَيَتَحَدَّرُ مِنْهُ .‏