Many of us wish for a good life, a great life, a life better than our own. How do we obtain this? God is the key. If we make him happy, he will reward us. So we should make God happy, thus obeying his laws.
Die in mortal sin, and you shall go here. Hell is the place of suffering and punishment - once here you will never get out.
The people here will get to Heaven, but first they must be purified. Here you shall suffer also, but keep in mind - those here WILL get to Heaven sometime.
Here everyone is happy - adoring and glorifying God - enjoying every second of it!
So.. aim for Heaven - the true Narnia!