Ibn 'Umar (May Allah be pleased with them) reported:
The Prophet (ﷺ) said, "Trim the moustaches and let the beard grow."[Al-Bukhari and Muslim]. (RU)
App reference (RU): Book 9, Hadith 215 (RU)
Arabic/English book reference (RU): Book 9, Hadith 1205 (RU)