2 verses have
“proper”
in Edition Clear Qur'an by Talal Itani / Al-A'raaf (The Heights)
7:31O Children of Adam! Dress properly at every place of worship, and eat and drink, but do not be excessive. He does not love the excessive.
7:105“It is only proper that I should not say about God anything other than the truth. I have come to you with clear evidence from your Lord, so let the Children of Israel go with me.”
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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