There's a lot of harshness wherever you go. Whether you're in the 'glamorous' Las Vegas or Lower East Side, you'll run into plenty of cold-hearted people. That's why a smile is one of the greatest things in the world. It shows you giving acknowledgement to another individual. And it also makes you happier on the inside, a cool psychological effect.
Let's look at the Christain perspective.
One song I've recently discovered is 'Smile' by Kutless.
Though everything's the same inside there's something realA faith which causes me to change.I think a smile says it all
In any given situation, the Christian has the ability to smile, even through the hardest of things. Why is that? Because we know Someone is always with us, and that we'll be experiencing true happiness in the end. As the Casting Crowns says it, "I will praise You in this storm." Look at it another way. The atheist, the unbeliever, doesn't have much reason to smile unless they're "high up in the food chain."
A non-believer struggling in various aspects of life has absolutely no reason to smile, because they have nothing to look forward to and more often than not feel alone with an emptiness inside. There's always the saying, "I'm lucky to be alive." But if one is living in poverty or struggling greatly in another area and doesn't have anything to look forward to, there's not much reason to be happy, or even pretend to be, is there?
Always smile. Even when you don't feel like it. You'll more often than not make someone else feel good. And especially if you're going to wear a cross chain, go to church, or call yourself a Christian, just remember that
A SMILE SAYS IT ALL :D