Your Lord is the best knower of everyone in the heavens and the earth. In accordance with this knowledge, we preferred some prophets over others. For example, we gave David the Psalms.
وَرَبُّكَ أَعلَمُ بِمَن فِى السَّمٰوٰتِ وَالأَرضِ وَلَقَد فَضَّلنا بَعضَ النَّبِيّـۧنَ عَلىٰ بَعضٍ وَءاتَينا داوۥدَ زَبورًا
wa Rabbuka a’lamu biman fis samaawaati wal ard; wa laqad faddalnaa ba’dan Nabiyyeena ‘alaa ba’dinw wa aatainaaa Daawooda Zabooraa