You can't throw kindling on a fire and deny you kept it burning. And right now, cowardice is that kindling.

A brave man dies once, a coward a thousand times.

So you were going to rescue the Prince! Why did you pretend to run away? To deceive the Witch?"

"Not likely! I'm a coward. Only way I can do something this frightening is to tell myself I'm not doing it!

A man don't need to act tough if he is. Men that put on a show are spineless more often than not.

At the bottom of not a little of the bravery that appears in the world, there lurks a miserable cowardice. Men will face powder and steel because they have not the courage to face public opinion.

Zaphod did not want to tangle with them and, deciding that just as discretion is the better part of valor, so was cowardice is the better part of discretion, he valiantly hid himself in a closet.