39:18 The ones who listen to the word, and then follow the best of it. These are the ones whom God has guided, and these are the ones who possess intelligence.*
Edip-Layth (Quran: A Reformist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
"And remember how He made you heirs to [the tribe of] `Ad* and settled you firmly on earth, so that you [are able to] build for yourselves castles on its plains and hew out mountains [to serve you] as dwellings:* remember, then, God's blessings, and do not act wickedly on earth by spreading corruption."