Sunan Ibn Majah, Book 9, Hadith 1936 (In-Book) ⓘ
It was narrated from Abu Hurairah that: the Messenger of Allah said: “Marry, for I will boast of your great numbers.”
حَدَّثَنَا يَعْقُوبُ بْنُ حُمَيْدِ بْنِ كَاسِبٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْحَارِثِ الْمَخْزُومِيُّ، عَنْ طَلْحَةَ، عَنْ عَطَاءٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " انْكِحُوا فَإِنِّي مُكَاثِرٌ بِكُمْ " .
also referenced under: Hadith 1863 (Reference) & Volume 3, Book 9, Hadith 1863 (DarusSalam)