Hebrews 11:17-19

Twentieth_Century(i) 17 It was faith that enabled Abraham, when put to the test, to offer Isaac as a sacrifice--he who had received the promises offering up his only son, 18 of whom it had been said-- 'It is through Isaac that there shall be descendants to bear thy name.' 19 For he argued that God was able even to raise a man from the dead--and indeed, figuratively speaking, Abraham did receive Isaac back from the dead.