UCube is not a philosophy of life and will not give you anything to believe in, no new gods or evils, no new saints or gurus. However, if you apply the model correctly you will polish the meaning of your life and focus your body, mind and spirit towards your happiness. It will help you believe in yourself.
In reality, there is a fourth dimension which is time. Time is required by relativity theory, along with three spatial dimensions, to specify completely the location of any event. Time is regarded as that coordinate dimension. However, it is not a spatial dimension nor can it be seen in the Euclidean space, the only one that humans perceive.