Surah Maryam 19:41

وَٱذْكُرْ فِى ٱلْكِتَـٰبِ إِبْرَٰهِيمَ ۚ إِنَّهُۥ كَانَ صِدِّيقًا نَّبِيًّا

And mention in the Book [the story of] Abraham. Indeed, he was a man of truth and a prophet.

Translation: Saheeh International

Tafsir

And mention to them in the Book Abraham that is mention his tale. Indeed he was a truthful one the intensive form siddīq means ‘extremely truthful’ a prophet the following statement substitutes for the preceding predicate.

Excerpt from Tafsir al-Jalalayn, commentary on 19:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.