239فَإِن خِفتُم فَرِجالًا أَو رُكبانًا ۖ فَإِذا أَمِنتُم فَاذكُرُوا اللَّهَ كَما عَلَّمَكُم ما لَم تَكونوا تَعلَمونَHilali & KhanAnd if you fear (an enemy), perfrom Salat (pray) on foot or riding. And when you are in safety, offer the Salat (prayer) in the manner He has taught you, which you knew not (before).