Concise Quran Commentary
He thinks that the wealth of his he amasses will save him from death, and that he will remain forever in this worldly life.
Tafsir for this Ayah
Surah 104 : Ayah 3
Surah 104 : Ayah 3
يَحْسَبُ أَنَّ مَالَهُۥٓ أَخْلَدَهُۥ
thinking that his wealth will make him live forever.