Surah Ar-Rum 30:7
يَعْلَمُونَ ظَـٰهِرًا مِّنَ ٱلْحَيَوٰةِ ٱلدُّنْيَا وَهُمْ عَنِ ٱلْـَٔاخِرَةِ هُمْ غَـٰفِلُونَ
They know what is apparent of the worldly life, but they, of the Hereafter, are unaware.
Translation: Saheeh International
Tafsir
They know merely an outward aspect of the life of this world that is to say its various means of securing livelihood such as commerce agriculture construction and cultivation and so on; but they of the Hereafter they are oblivious this repetition of hum ‘they’ is for emphasis.
Excerpt from Tafsir al-Jalalayn, commentary on 30:7, via Quran.com. The reader has the full commentary and 9 more tafsirs.