Al-Mutaffifin • BN-TAFSEER-IBN-E-KASEER
﴿ فَٱلْيَوْمَ ٱلَّذِينَ ءَامَنُوا۟ مِنَ ٱلْكُفَّارِ يَضْحَكُونَ ﴾
“But on the Day [of Judgment], they who had attained to faith will [be able to] laugh at the [erstwhile] deniers of the truth:”
Please check ayah 83:36 for complete tafsir.