78:40 I have warned you of a retribution which is close, the day when man will look at what he has brought forth and the ingrate will say, "I wish I were dust!"
Edip-Layth (Quran: A Reformist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
And if anyone should argue with thee about this [truth] after all the knowledge that has come unto thee, say: "Come! Let us summon our sons and your sons, and our women and your women, and ourselves and yourselves; and then let us pray [together] humbly and ardently, and let us invoke God's curse upon those [of us] who are telling a lie."*