Dogs laugh, but they laugh with their tails.
Humor is the instinct for taking pain playfully.
Laughter is, after speech, the chief thing that holds society together.
Dogs laugh, but they laugh with their tails. What puts man in a higher state of evolution is that he has got his laugh on the right end.
Laughter puts your brain, your central nervous system and your whole being into a state of free play.
A smile is the universal welcome.