The Trial Initiated
How the command to offer the son originates and is delivered to Abraham.
God directly tests Abraham, commanding him to offer Isaac in the land of Moriah as a burnt offering.
“After these things, God tested Abraham, and said to him, "Abraham!" He said, "Here I am." He said, "Now take your son, your only son, whom you love, Isaac, and go into the land of Moriah. Offer him there for a burnt offering on one of the mountains which I will tell you of."”
Prince Mastema challenges God in heaven regarding Abraham's devotion; God then commands Abraham to offer Isaac on the mountain.
“And the prince Mastêmâ came and said before God, 'Behold, Abraham loves Isaac his son, and he delights in him above all things else; bid him offer him as a burnt-offering on the altar, and Thou wilt see if he will do this command, and Thou wilt know if he is faithful in everything wherein Thou dost try him. And God said to him, 'Abraham, Abraham'; and he said, Behold, (here) am I.' And he said, Take thy beloved son whom thou lovest, (even) Isaac, and go unto the high country, and offer him on one of the mountains which I will point out unto thee.'”
Abraham tells his son he has seen in a dream that he must sacrifice him, and asks for the son's counsel.
“And when he was old enough to work with him, he said: O my dear son, I have seen in a dream that I must sacrifice thee. So look, what thinkest thou? He said: O my father! Do that which thou art commanded. Thou wilt find me, if Allah will, of the steadfast.”