اُولٰۤىِٕكَ عَلٰى هُدًى مِّنْ رَّبِّهِمْ وَاُولٰۤىِٕكَ هُمُ الْمُفْلِحُوْنَ ( لقمان: ٥ )
Ulaaa'ika 'alaa hudam mir Rabbihim wa ulaaa'ika humul muflihoon (Luq̈mān 31:5)
Those are on [right] guidance from their Lord, and it is those who are the successful. (Luqman  : 5)
1 Mufti Taqi Usmani
It is these who are on guidance given by their Lord, and it is just these who are successful.