15 Preface وَلَقَد تَرَكناها آيَةً فَهَل مِن مُدَّكِرٍYusuf AliAnd We have left this as a Sign1 (for all time): then is there any that will receive admonition?2Cf. 29:15, where the Ark (with the salvation it brought to the righteous) is mentioned as a Sign for all Peoples. So also in 25:37 and 26:121, it is a Sign for men. Similarly the saving of Lot, with the destruction of the wicked Cities of the Plain, is mentioned as a Sign left for those who would understand: 29:35 and 51:37.A refrain that occurs six times in this Sūra: see Introduction.