1 verse has
“Bemühen”
in Edition A. S. F. Bubenheim and N. Elyas / Al-Anbiyaa (The Prophets)
21:94Wer etwas an rechtschaffenen Werken tut und dabei gläubig ist, der wird für sein Bemühen nicht Undank ernten; Wir schreiben es ihm gut.
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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