You are reading a tafsir for the group of verses 37:71 to 37:74
فَانظُرْ كَيْفَ كَانَ عَـقِبَةُ الْمُنذَرِينَ إِلاَّ عِبَادَ اللَّهِ الْمُخْلَصِينَ
(Then see what was the end of those who were warned. Except the chosen servants of Allah).
وَلَقَدۡ أَرۡسَلۡنَا فِیهِم مُّنذِرِینَ
And We had already sent among them warners.
فَانظُرْ كَيْفَ كَانَ عَـقِبَةُ الْمُنذَرِينَ إِلاَّ عِبَادَ اللَّهِ الْمُخْلَصِينَ
(Then see what was the end of those who were warned. Except the chosen servants of Allah).