2 verses have
“seal”
in Edition Clear Qur'an by Talal Itani / Al-Baqara (The Cow)
2:7God has set a seal on their hearts and on their hearing, and over their vision is a veil. They will have a severe torment.
2:88And they said, “Our hearts are sealed.” Rather, God has cursed them for their ingratitude. They have little faith.
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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