Tafsir of Surah Al-Balad 90:4
﴿لَقَدْ خَلَقْنَا الْإِنسَانَ فِي كَبَدٍ﴾
Translation of the meaning
We have certainly created man into hardship.
English Translation - Noor International Center — v1.1.2 · QuranEnc.comThe words of the two imams are given in their original Arabic, verbatim, with references.
Shaykh al-Islam Ibn Taymiyyah
والجواب مذكور في قوله تعالى {لقد خلقنا الإنسان في كبد} وهو مكابدة أمر الدنيا والآخرة«مجموع الفتاوى» 13/316