Read Ruku 550 of the Quran

إِنَّآ أَعْطَيْنَـٰكَ ٱلْكَوْثَرَ ﴿1﴾

Indeed, We have granted you, [O Muhammad], al-Kawthar.

فَصَلِّ لِرَبِّكَ وَٱنْحَرْ ﴿2﴾

So pray to your Lord and sacrifice [to Him alone].

إِنَّ شَانِئَكَ هُوَ ٱلْأَبْتَرُ ﴿3﴾

Indeed, your enemy is the one cut off.