Malik reported: Sa’id ibn al-Musayyib, may Allah be pleased with him, said, “Whoever attends evening prayer on the Night of Decree has taken his share of reward from it.”
Source: al-Muwaṭṭa’ 707
عَنْ مَالِك أَنَّ سَعِيدَ بْنَ الْمُسَيَّبِ رضي الله عنه قال مَنْ شَهِدَ الْعِشَاءَ مِنْ لَيْلَةِ الْقَدْرِ فَقَدْ أَخَذَ بِحَظِّهِ مِنْهَا
707 موطأ مالك كتاب الاعتكاف باب ما جاء في ليلة القدر
