1 verse has
“known”
in Edition Clear Qur'an by Talal Itani / Saba (Sheba)
34:14Then, when We decreed death for him, nothing indicated his death to them except an earthworm eating at his staff. Then, when he fell down, it became clear to the sprites that, had they known the unseen, they would not have remained in the demeaning torment.
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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