Those who remember Allah standing and sitting and lying on their sides and reflect on the creation of the heavens and the earth: Our Lord! Thou hast not created this in vain! Glory be to Thee; save us then from the chastisement of the fire:

And the defaulters from among the dwellers of the desert came that permission may be given to them and they sat (at home) who lied to Allah and His Messenger; a painful chastisement shall afflict those of them who disbelieved.

Those before them did indeed devise plans, but Allah demolished their building from the foundations, so the roof fell down on them from above them, and the punishment came to them from whence they did not perceive.