Cited alongside other verses to argue that the Quran instructs those who do not know to ask the people of previous scripture, reinforcing the authority of earlier revelation.
Scripture spotlight
Quran 21:7
quran
7 And We sent none before thee, but men to whom We made revelation -- question the People of the Remembrance, if you do not know --
Mentioned alongside Quran 16:43 for the same purpose: to show that 'people of the Reminder' refers to earlier scriptural communities.
Cited to argue that people should ask those with prior scriptural knowledge, so earlier scripture serves as a check on Quranic claims.
Cited together with 16:43 as another parallel command to ask the people of the reminder, reinforcing the host's argument that the Quran points back to earlier scripture-bearers for verification.
This parallel verse was read alongside 16:43 for the same point: the Quran directs questioners to the people who know the prior scripture.