The true meaning of happy life

Life, we have seen some optimistic, some pessimistic. Why? In fact, in the world is no different, only the individual inner attitudes differ.
Best illustration of this problem, I am in a sell doughnuts store door see a sign that reads: "the difference between optimistic and pessimistic optimist see is very subtle: doughnuts, and the pessimist saw is in the midst of a doughnut hole." This short sentences, revealed happy humor of the essence. In fact, people's eyes to see, is often not the whole face of the things, only to see things for themselves. Optimistic and pessimistic to seek different things, so for the same things, it took the two different attitude.
One day, I stand in a jewelry store of the counter, put a few book put the package on the side. When a well-dressed, instrument chiselled man come in, also began in the counter see jewelry, I polite will my package moves, but this man was angry at me, he said, he is a man of integrity, absolutely no stealing my package. He felt he was being insulted, do so to shut the door and get out of the jewelry store. I was very surprised, such a careless action, could cause him so angry. Later, I learned, the man and me as if live in two different worlds, but in fact the world is the same, the difference is I and his views on the things instead just.
A few days later in the morning, I would wake up in a bad mood, think in this day and also drab routine work through, and I feel that the world is a very boring, boring. When I squeezed in a dense array, the car slow to downtown forward, I filled with complaints of think: why are there so many idiot can get a driving license? They drive too fast is not too slow, never a few to drive in the peak hours, these people are the driving licenses revoked. Later, I and a large trucks and reached a crossroads, I thought: "this guy is too big for the opening, he'll be straight at the past." But at this moment, the truck driver head stretch out a car window, waved to me move, give me a cheerful, a happy smile. When I would leave the car at the intersection, the anger I suddenly disappear, heart were flung open.
The truck driver was I as if place oneself in another world. But in fact, the world is still, we just have different attitude. In the life of every person will have a similar episode, we have these little episode is the best way to the pursuit of happiness. To live happy, we must first change their attitude. I think, this is the true meaning of happiness!