Arabic (Original)
وَعَنْ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنَّهُ قَالَ مَا بَيْنَ مِصْرَاعَيْنِ فِي الْجَنَّةِ كَمَسِيرَةِ أَرْبَعِينَ سَنَةً.
English Translation
And from the Messenger of God (peace and blessings be upon him), that he said: "The distance between the two leaves of a gate in Paradise is like a journey of forty years."