لَّهُمْ فِيهَا مَا يَشَآءُونَ خَٰلِدِينَ ۚ كَانَ عَلَىٰ رَبِّكَ وَعْدًا مَّسْـُٔولًا
English Translation
For them therein is whatever they wish, [while] abiding eternally. It is ever upon your Lord a promise [worthy to be] requested.
English Transliteration
Lahum feeha ma yashaoona khalideena kana AAala rabbika waAAdan masoolan
Tafsir of Verse 16
Therein they shall have what they will dwelling forever; it is a promise binding upon thy Lord, and of Him to be required.
"For them there will be therein all that they wish for: they will dwell (there) for aye: A promise to be prayed for from thy Lord."