Surah An-Najm, ayah 18

لَقَدۡ رَأَىٰ مِنۡ ءَايَٰتِ رَبِّهِ ٱلۡكُبۡرَىٰٓ ١٨

Laqad ra'ā min āyāti rabbihil-kubrā

He certainly saw of the greatest signs of his Lord.