1 verse has
“secret”
in Edition Muhammad Hamidullah / At-Tawba (The Repentance)
9:78Ne savent-ils pas qu'Allah connaît leur secret et leurs conversations confidentielles et qu'Allah connaît parfaitement les (choses) inconnaissables.
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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