- Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
- Perseus: Lane's Lexicon (in text format)
- 1 times as verb yslb
O MEN! A parable is set forth [herewith]; hearken, then, to it! Behold, those beings whom you invoke instead of God cannot create [as much as] a fly, even were they to join all their forces to that end! And if a fly robs them of anything, they cannot [even] rescue it from him! Weak indeed is the seeker, and [weak] the sought!