1 verse has
“beharrliche”
in Edition A. S. F. Bubenheim and N. Elyas / Nooh (Noah)
71:27Denn, gewiß, wenn Du sie (leben) läßt, führen sie Deine Diener in die Irre und zeugen nur Sittenlose und sehr beharrliche Ungläubige.
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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