Malik related to me from Zayd ibn Aslam that the Messenger of Allah ﷺ said, "Give to a beggar even if he comes on a horse."

وَحَدَّثَنِي مَالِكٌ، عَنْ زَيْدِ بْنِ أَسْلَمَ، أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ " أَعْطُوا السَّائِلَ وَإِنْ جَاءَ عَلَى فَرَسٍ " .