Which are quotes of bravery in cue for treason?

"Cue for Treason" is a play by John Mortimer, not a book. It's hard to give you specific quotes of bravery without more context about what you are looking for.

Could you please clarify your request? For instance, are you interested in:

* Quotes spoken by specific characters who demonstrate bravery?

* Quotes that express the concept of bravery in a general sense?

* Quotes about specific acts of bravery in the play?

Please provide more details, and I will be able to help you find the quotes you're looking for!