Genuine happiness can only be achieved when we transform our way of life from the unthinking pursuit of pleasure to one committed to enriching our inner lives, when we focus on 'being more' rather than simply having more.
There's no way to approach anything in an objective way. We're completely subjective; our view of the world is completely controlled by who we are as human beings, as men or women, by our age, our history, our profession, by the state of the world.
Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.