I best life in the world according to Islam I think best life in the world according the Quran I think that's life of the word to follow the prophet Sallallahu Alaihi Wasallam.
If you want success in the field of every life you may you not me but you should go to the way of Islam read the Quran study the Sunna this is the master key of success.
Oh my people you have any concept in your mind and you have any thinking in your mind but the real and the best thinking and the best a concept in your life you feel alive in your knowledge .