Verses and Translation
قَالَ ٱللَّهُ هَـٰذَا يَوۡمُ يَنفَعُ ٱلصَّـٰدِقِينَ صِدۡقُهُمۡۚ لَهُمۡ جَنَّـٰتٌ۬ تَجۡرِى مِن تَحۡتِهَا ٱلۡأَنۡهَـٰرُ خَـٰلِدِينَ فِيہَآ أَبَدً۬اۚ رَّضِىَ ٱللَّهُ عَنۡہُمۡ وَرَضُواْ عَنۡهُۚ ذَٲلِكَ ٱلۡفَوۡزُ ٱلۡعَظِيمُ (١١٩)
“Allah will say, “This is the Day when the truthful will benefit from their truthfulness.” For them are gardens [in Paradise] beneath which rivers flow, wherein they will abide forever, Allah being pleased with them, and they with Him. That is the great attainment.”
Commentary
Allah answers His servant and Messenger Isa (peace be upon him), son of Maryam, after he disowns the disbelieving Christians who lied about Allah and His Messenger (peace be upon him), and when Isa refers their end to the will of his Lord, “This is a Day on which the truthful will profit from their truth.”
Ad-Dahhak said that Ibn Abbas commented, “This is the Day when Tawhid will benefit those who believed in it.”
“Theirs are Gardens under which rivers flow (in Paradise) — they shall abide therein forever.” and they will never be removed from it, “Allah is pleased with them and they with Him.”
“But the greatest bliss is the good pleasure of Allah.” [Quran; 9:72]
“That is the great success.” means this is the great success, other than which there is no greater success. [Ibn Kathir]