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 if they [whom you have called to your aid] are not able to help you,* then know that [this Qur'an] has been bestowed from on high out of God's wisdom alone,* and that there is no deity save Him. Will you, then, surrender yourselves unto Him?"