A smile is a silent greeting from the soul, a bud of elegance and friendship, a poem as bright as the blue sky, an exploratory trust and politeness. Don’t give generous gifts in front of your superiors. Don’t grin when you meet someone you have connections with. Go to low-price auctions for profit, don't be confused and disappointed, and be thrown into the ice cellar. In busy counters, in crowded carriages, on crowded sidewalks. The more Mars is prone to ignition, the more you need to smile. Smile. Explorers smile at life. Life gives light and trust. Reward those who have failed, smile to their labor, people give sincerity and warmth, our career flaps with golden wings, joy overflows from the lips and spreads to the brows. Smile should become a regular face of the Chinese nation. Smile should become a creed for us to get along with each other. Smile, my friend! Smile! Smile, my quiet beautiful friend! Smile is the bridge of civilization. Let the whole world come to surprise and envy China. China is full of smiles