Did you ever see an unhappy horse? Did you ever see bird that had the blues? One reason why birds and horses are not unhappy is because they are not trying to impress other birds and horses.
Dale CarnegieDo you remember the things you were worrying about a year ago? How did they work out? Didn't you waste a lot of fruitless energy on account of most of them? Didn't most of them turn out all right after all?
Dale CarnegieYour smile brightens the lives of all who see it. To someone who has seen a dozen people frown, scowl or turn their faces away, your smile is like the sun breaking through the clouds.
Dale Carnegie