What profits a man if he gains the whole world but looses his soul...

Well you want to gain the world with soul, instead of without.... because if you gain the world without soul, you are not being true to yourself, or the world, and you are living one big lie... and when you pass on, it is easier to pass over believing you did the best you could, instead of knowing you could of done better...

Absolutely nothing.He loses his eternal life.

then his life should be like hell and he'll die every minute in his whole life.

he would not profit anything. Your soul is priceless. Worth more then anything in the world, including the world it's self.