The value of a smile... It costs nothing, but creates much. It enriches those who receive, without impoverishing those who give. It happens in a flash and the memory of it sometimes lasts forever. None are so rich they can get along without it, and none so poor but are richer for its benefits. It creates happiness in the home, fosters good will in a business, and is the countersign of friends.
Dale CarnegieWhen ill luck besets us, to ease the tension we have only to remember that happiness is relative. The next time you are tempted to grumble about what has happened to you, why not pause and be glad that it is no worse than it is.
Dale Carnegie