Courtesy is the grease that lubricates society.

Our clients are also our friends. They become family as soon as they experience this airport. We return the courtesy and it shows in our rapport with them.

We will support people who have the courtesy to talk to us, and who would stop pitting us against our neighbors. It's horrible.

This is certainly not traditional British courtesy.

Of course, it's a matter of courtesy,

I am the very pink of courtesy.