Ash-Shu'araa • BN-TAFSEER-IBN-E-KASEER
﴿ إِنْ هَٰذَآ إِلَّا خُلُقُ ٱلْأَوَّلِينَ ﴾
“This [religion of ours] is none other than that to which our forebears clung,”
Please check ayah 26:140 for complete tafsir.