31:19
وَٱقْصِدْ فِى مَشْيِكَ وَٱغْضُضْ مِن صَوْتِكَ ۚ إِنَّ أَنكَرَ ٱلْأَصْوَٰتِ لَصَوْتُ ٱلْحَمِيرِ
wa-iq'ṣid fī mashyika wa-ugh'ḍuḍ min ṣawtika inna ankara l-aṣwāti laṣawtu l-ḥamīri
And be moderate in your pace and lower your voice; indeed, the most disagreeable of sounds is the voice of donkeys."
— Saheeh International
Go at a moderate pace and lower your voice, for the ugliest of all voices is the braying of asses.’
— M. A. S. Abdel Haleem
"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."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali