1 verse has
“knew”
in Edition Clear Qur'an by Talal Itani / At-Tawba (The Repentance)
9:41Mobilize, light or heavy, and strive with your possessions and your lives in the cause of God. That is better for you, if you only knew.
Support Ayat Al Quran
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