62 Preface وَهُوَ الَّذي جَعَلَ اللَّيلَ وَالنَّهارَ خِلفَةً لِمَن أَرادَ أَن يَذَّكَّرَ أَو أَرادَ شُكورًاYusuf AliAnd it is He Who made the Night and the Day to follow each other: for such as have the will1 to celebrate His praises or to show their gratitude.The scenes of the phenomenal world are Signs of the Self-Revelation of God, for those who understand and who have the will to merge their wills with His. This they do (1) by praising Him, which means understanding something of His nature, and (2) by gratitude to Him, which means carrying out His Will, and doing good to their fellow creatures. These two attitudes of mind and heart give rise to various consequences in their lives, which are detailed in the following verse.