وَٱقْصِدْ فِى مَشْيِكَ وَٱغْضُضْ مِن صَوْتِكَ إِنَّ أَنكَرَ ٱلْأَصْوَٰتِ لَصَوْتُ ٱلْحَمِيرِ
Saheeh International(19) And be moderate in your pace and lower your voice; indeed, the most disagreeable of sounds is the voice of donkeys."
English Translation - Rowwad Translation CenterBe moderate in your gait and lower your voice. Indeed, the most repugnant of voices is the voice of donkeys.”
English Translation - Hilali and Khan19. "And be moderate (or show no insolence) in your walking, and lower your voice. Verily, the harshest of all voices is the braying of the asses."