2 verses have
“promise”
in Edition Clear Qur'an by Talal Itani / Ar-Room (The Romans)
30:6The promise of God—God never breaks His promise, but most people do not know.
30:60So be patient. The promise of God is true. And do not let those who lack certainty belittle you.
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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