Thus, the matter requires steadfastness from Allah. If Allah does not make a person steadfast, he will perish and go astray.

Among his trials is that a young man will come out to confront him and say to him, “You are the Dajjal whom the Messenger of Allah ﷺ told us about.” He will summon him, but the young man will refuse to follow him. So he will strike him and split his head open the first time; then he will kill him and walk between the two halves of his body. He will then call him, and the young man will rise, his face radiant, and say, “You are the Dajjal whom the Messenger of Allah ﷺ told us about.” Then he will seek to kill him, but he will not be given power over him; he will be unable to kill him, and he will not be given power over anyone after him. Thus, this young man will be among the people of greatest martyrdom before Allah (1), for in that immense and terrifying situation—whose terror can only be imagined by one who experiences it—he openly declares before the assembled people, as a decisive proof and a warning: “You are the Dajjal whom the Messenger of Allah ﷺ told us about.”

Fifth: the length of his stay on earth will be only forty days: one day like a year, one day like a month, one day like a week, and the rest of his days like our days. This is how the Prophet ﷺ informed us. The Companions said, “O Messenger of Allah, on that day which is like a year, will the prayer of one day suffice for us?” He said, “No; estimate its measure.” (2) Consider this example, so that we may take a lesson from it: how did the Companions of the Messenger of Allah ﷺ affirm the truthfulness of the Messenger of Allah ﷺ? They did not begin to distort or reinterpret it, nor did they say, “A day cannot possibly become so long, because the sun”