1 verse has
“atenerse”
in Edition Julio Cortes / Az-Zukhruf (Ornaments of gold)
43:21¿Es que les trajimos otra Escritura a la que atenerse antes de ésta?
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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