وَأَوعِد وَقُل ما شِئتَ إِنَّكَ جاهِلٌ

عَلى إِنَّما أَنتَ اِمرُؤٌ مِن بَني نَضرِ

Make promises and say what you will, you are ignorant

You are but a man of the tribe of Nadr