It is simply expression, as Henry says, that gives reality to things.

“I have no objection to anyone’s sex life as long as they don’t practice it in t…”

“Knowledge would be fatal. It is the uncertainty that charms one. A mist makes t…”

“You must admit, Harry, that women give to men the very gold of their lives.' 'P…”

“What fire does not destroy, it hardens”