Surah Al-Kahf, ayah 91

كَذَٰلِكَۖ وَقَدۡ أَحَطۡنَا بِمَا لَدَيۡهِ خُبۡرٗا ٩١

Kadhālika waqad ahatnā bimā ladayhi khubrā

Thus.⁷⁹⁷ And We had encompassed [all] that he had in knowledge.