Luqman 31:5. Juz 21, page 411.
أُو۟لَـٰٓئِكَ عَلَىٰ هُدًى مِّن رَّبِّهِمْ ۖ وَأُو۟لَـٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ٥
Such have guidance from their Lord. Such are the successful.
Luqman 31:5, translated by Marmaduke Pickthall