13:43 Andthose who reject say: "You are not a messenger." Say: "God is enough as a witness between me and you; the One who has the knowledge of the Book."
The Monotheist Group (The Quran: A Monotheist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
Thereupon God sent forth a raven which scratched the earth, to show him how he might conceal the nakedness of his brother's body. [And Cain] cried out: "Oh, woe is me! Am I then too weak to do what this raven did,* and to conceal the nakedness of my brother's body?" - and was thereupon smitten with remorse.*