Words are cheap. The biggest thing you can say is 'elephant'.
Talk is cheap. Words are plentiful. Deeds are precious.
Your words and wishes are cheap if they do not find expression in your actual gifts.
Call me an alarmist, but there are certain words I don't like to hear together: cheap fireplace, discount brakes, cut-rate surgery ...
Words are humanity's greatest natural resource, but most of us have trouble figuring out how to put them together. Words aren't cheap. They are very precious.
It is not by telling people about ourselves that we demonstrate our Christianity. Words are cheap. It is by costly, self-denying Christian practice that we show the reality of our faith.
Cheap booze is a false economy.
Words, once they are printed, have a life of their own.