1 verse has
“tranqüilos”
in Edition Samir El-Hayek / Al-Israa (The Night Journey)
17:95Responde-lhes: Se na terra houvesse anjos, que caminhassem tranqüilos, Ter-lhes-íamos enviado do céu um anjo pormensageiro.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274