SUCH GOODNESS AND BEAUTY WILL BE CREATED IN THE TIME OF HAZRAT MAHDI (AS) THAT EVEN THOSE WHO FEEL THEMSELVES TO BE SPIRITUALLY DEAD WILL BE FILLED WITH A ZEST FOR LIFE

Abu Said relates that the Prophet (saas) said: ... And Allah will later send one from my Ahl al-Bayt to fill a world that is filled with oppression with justice instead. The dwellers in the Earth and the heavens will be pleased with him [the Mahdi (as)].  The Earth will cause all its plants to flourish for them and the sky will constantly cause rain to fall down on them... BECAUSE OF ALL THE BOUNTY THAT ALMIGHTY ALLAH SENDS DOWN TO THE EARTH, THE DEAD WILL WISH TO LIVE AGAIN. (Al-Bayan, p. 72, Al-Sawaiq Al-Muhariqa, p. 161, Yanabi Al-Mawadda, Vol. 2, p. 177)

The hadith and accounts that have come down from our Prophet (saas) describe people attaining the highest possible level of spiritual and physical well-being in the period following the appearance of Hazrat Mahdi (as), and how they will live in a hitherto unseen security and happiness.  So much so that because of the beauty of this climate and way of life, even those who feel themselves to be spiritually dead, people who say, "I am already dead" or who are described as "already having died" by other people, will be filled with a renewed zest for life. The hadith therefore indicates that through the incomparably excellent life to be enjoyed in the time of Hazrat Mahdi (as), such people will be restored to life and will find religious strength.