that the Messenger of Allah ﷺ said: "Trim the mustache and leave the beard to grow."  

قَالَ رَسُولُ اللَّهِ ﷺ أَحْفُوا الشَّوَارِبَ وَأَعْفُوا اللِّحَى  

that the Messenger of Allah ﷺ ordered trimming the mustache and leaving the beard to grow.  

أَنَّ رَسُولَ اللَّهِ ﷺ أَمَرَنَا بِإِحْفَاءِ الشَّوَارِبِ وَإِعْفَاءِ اللِّحَى