2 verses have
“cause”
in Edition Clear Qur'an by Talal Itani / As-Saff (The Ranks)
61:4God loves those who fight in His cause, in ranks, as though they were a compact structure.
61:11That you believe in God and His Messenger, and strive in the cause of God with your possessions and yourselves. That is best for you, if you only knew.
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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