﴿ 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:”

So today that is the Day of Resurrection the believers will be laughing at the disbelievers