Those Who Set The Ranks - 37:17 Even our ancestors before us?
In the context of verses 15, 16, 17; They characterized the warning of the resurrection as the claim of a bewitched man:
Prophet Hud/11:7 "He it is Who created the heavens and the earth in six days, to test which of you is the best in work. His sovereignty was over the waters. Nevertheless, if you say to the disbelievers, "You will be resurrected after death,"they will say, "This is only clear magic."

Those Who Set The Ranks/37:13 They do not take admonition when they are reminded.
Those Who Set The Ranks/37:14 When they see a proof, they ridicule it.
Those Who Set The Ranks/37:15 "They say, "This is nothing but a manifest magic."
Those Who Set The Ranks/37:16 Shall we be resurrected after we have died and become dust and bones?

The Night Journey/17:47 "We know well how they hear when they listen to you, and how they say among themselves, "You are only following a bewitched man"."
The Night Journey/17:48 Behold how they go astray, recognizing you, and they will never find a way again
The Night Journey/17:49 "They said: "Shall we be resurrected with a new creation after we have become bones and small pieces?"