Surah Al-An'am 6:20

ٱلَّذِينَ ءَاتَيْنَـٰهُمُ ٱلْكِتَـٰبَ يَعْرِفُونَهُۥ كَمَا يَعْرِفُونَ أَبْنَآءَهُمُ ۘ ٱلَّذِينَ خَسِرُوٓا۟ أَنفُسَهُمْ فَهُمْ لَا يُؤْمِنُونَ

Those to whom We have given the Scripture recognize it as they recognize their [own] sons. Those who will lose themselves [in the Hereafter] do not believe.

Translation: Saheeh International

Tafsir

Those to whom We have given the Scripture recognise him that is Muhammad (s) by the descriptions of him in their Scripture as they recognise their sons; those of them who have forfeited their own souls do not believe in him.

Excerpt from Tafsir al-Jalalayn, commentary on 6:20, via Quran.com. The reader has the full commentary and 9 more tafsirs.