Tafsir of Al-Muddathir 74:18

Verily, he thought and plotted. meaning, `We only caused him to face the grievous torment of Sa`ud, that is Our bringing him close to the harsh torment, because he was far away from faith.' This was because he thought and plotted, meaning he contemplated what he should say about the Qur'an when he was asked about it. So he deliberated over what statement he should invent against it

وقدر

and plotted. meaning, he contemplated

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