Of course, motivation really isn’t simple at all. That is why there is multi-billion industry focused on self-help books, tapes, seminars, camps, and coaches.
As humans, we have progressed in so many ways, but we have lost touch with our bodies, nature, and the power of prayer. There seems to be a spiritual renaissance, of sorts, going on in the “new age” movement.
If at anytime, you notice that a friend of yours is getting demotivated about life, try to inspire him/her as much as you can. Even if you are physically away from your friend you can send him inspirational ecards and tell him to download motivational screensavers and wallpapers. So motivate everyone who needs the boost.
Personally, the importance does not lie in what religion you are; however, a lack of religion does seem to run parallel with depression. This is classified as spiritual illness, which will have a negative effect on you mentally, physically, or totally.
Positive pleasure-oriented goals are much more powerful motivators than negative fear-based ones.