2 verses have
“striving”
in Edition Clear Qur'an by Talal Itani / At-Tawba (The Repentance)
9:19Do you consider giving water to pilgrims and maintaining the Sacred Mosque the same as believing in God and the Last Day and striving in God’s path? They are not equal in God’s sight. God does not guide the unjust people.
9:44Those who believe in God and the Last Day do not ask you for exemption from striving with their possessions and their lives. God is fully aware of the righteous.
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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