Sunnah.com reference : Book 8, Hadith 3English translation : Book 8, Hadith 976Arabic reference : Book 8, Hadith 969
Narrated [Anas bin Malik (RA)]:
Allah's Messenger (ﷺ) used to command us to marry and sternly forbid celibacy and say, "Marry women who are beloved (due to their good characteristics), prolific in bearing children, for I shall outnumber the Prophets by you on the Day of Resurrection."

[Reported by Ahmad and Ibn Hibban graded it Sahih (authentic)].
وَعَنْهُ قَالَ : { كَانَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-يَأْمُرُ بِالْبَاءَةِ , وَيَنْهَى عَنِ التَّبَتُّلِ نَهْيًا شَدِيدًا , وَيَقُولُ :" تَزَوَّجُوا اَلْوَدُودَ اَلْوَلُودَ .‏ إِنِّي مُكَاثِرٌ بِكُمُ اَلْأَنْبِيَاءَ يَوْمَ اَلْقِيَامَةِ }  رَوَاهُ أَحْمَدُ , وَصَحَّحَهُ اِبْنُ حِبَّانَ  1‏ .‏‏1 ‏- صحيح .‏ رواه أحمد ( 3 / 158 و 245 )‏ ، وابن حبان ( 1228 )‏ موارد )‏.‏