31:19
وَٱقْصِدْ فِى مَشْيِكَ وَٱغْضُضْ مِن صَوْتِكَ ۚ إِنَّ أَنكَرَ ٱلْأَصْوَٰتِ لَصَوْتُ ٱلْحَمِيرِ
Waqsid fee mashyika waghdud min sawtik; inna ankaral aswaati lasawtul hameer
"And be moderate in thy pace, and lower thy voice; for the harshest of sounds without doubt is the braying of the ass."
