Surah An-Najm — Ayah 18 (53:18)
لَقَدۡ رَأَىٰ مِنۡ ءَايَٰتِ رَبِّهِ ٱلۡكُبۡرَىٰٓ ١٨
English translation (Saheeh International)
He certainly saw of the greatest signs of his Lord.
Brief commentary
Muhammad (peace be upon him) saw on the night he was raised great signs of his Lord which show His power. He saw Paradise, hell and other things.