Yelling doesn't get your point across, it only makes it louder.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

Because you can't argue with all the fools in the world. It's easier to let them have their way, then trick them when they're not paying attention.

When everyone thinks something is true, it does not make it anything more than effective marketing.

Horse sense is the thing a horse has which keeps it from betting on people.

Common sense and a sense of humor are the same thing, moving at different speeds. A sense of humor is just common sense, dancing.