A smile is the best business card.

Humor is the smile of the soul. The deepest humor is the smile from a heart that has been fatally hurt. -Zhou

Laughter is the privilege of human beings. Carnegie

When you smile, the world loves him; When he laughs, the whole world is afraid of him. Tagore

Smile is a language with multiple meanings. -Spitler

Only in your smile can I breathe. Dickens

Anyway, please be quiet and happy! This is life. We should accept life as it is and smile bravely, boldly and forever. Luxembourg

If someone smiles at you for no reason, there must be some reason. -Ma Changshan

When life is like a song is light and smooth, it is easy to smile often; Only those who can smile when everything goes wrong can live a valuable life. -Wilcock de

Always have confidence in everything and always think about "doing". If you do something and worry about "I'm afraid we can't do it", then you have no courage. -Gai Jiaotian Middle School.

Since there are black spots on the sun, "everything in the world" is even more impossible without defects. -Chernyshevski, Russia.

The road of life is described by the heart. So, no matter how bad your situation is, don't be troubled by pessimistic thoughts. -kazuo inamori Day