The concept (of happiness) is universal. In Buddhism, it is called causeless joy, in Christianity, the kingdom of heaven within, and in Judaism it is called ashrei, an inner sense of holiness and health. Is Islam it is called falah, happiness and well-being, and in Hinduism it is called ananda, or pure bliss.

Like your weight set-point, which keeps the scale hovering around the same number, your happiness set-point will remain the same unless you make a concerted effort to change it.

Once you begin to understand and truly master your thoughts and feelings, that's when you see how you create your own reality.

Go for the sense of inner joy, of inner peace, of inner vision first and then all the other things from the outside appear.

The fifth doorway to experiencing Love for No Reason is the Doorway of Communication, which corresponds to the energy center located in the throat area. This doorway relates to speaking and listening with compassion, rather than judgment. There are some wonderful tools and techniques available to help us speak and listen with compassion that I've included in this chapter.

So, in life we have a one question final exam - and it's not the kind of exam you can cram for at the very end. One of the main reasons we're alive is to expand our capacity to love.

When people are deeply happy they bring a sense of purpose with them wherever they go, whatever circumstances they are in. So if they're changing the oil in the car, they bring a sense of joyful purpose even to that.