1 verse has
“berteguh”
in Edition Unknown / Al-Anfaal (The Spoils of War)
8:45Hai orang-orang yang beriman. apabila kamu memerangi pasukan (musuh), maka berteguh hatilah kamu dan sebutlah (nama) Allah sebanyak-banyaknya agar kamu beruntung.
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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