61:11 "That you acknowledge God and His messenger and strive in the cause of God with your money and your lives. This is best for you, if only you knew."
Edip-Layth (Quran: A Reformist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
And how many a prophet has had to fight [in God's cause], followed by many God-devoted men: and they did not become faint of heart for all that they had to suffer in God's cause, and neither did they weaken, nor did they abase themselves [before the enemy], since God loves those who are patient in adversity;