“A murderer is less loathsome to us than a spy. The murderer may have acted on a sudden mad impulse; he may be penitent and amend; but a spy is always a spy, night and day, in bed, at table, as he walks abroad; his vileness pervades every moment of his life”

“A bitter, disappointed, and jealous man kills the man he believes to be his wife's lover, this you consider to be unlikely. A murderous Nazi spy with orders to abduct a parrot, on the other hand—”

“She closed her eyes. "What are you going to do with me now?""What do you suggest I do? What would you do with a tiresome, officious nuisance of a woman who is the first to question a man's word of honor, yet the last to keep her own?"Catherine started to turn, to challenge the accusation, but caught a glimpse of hard-thewed flesh and jerked back. "I hardly consider myself bound by honor to a murderer and a spy."He sighed and shook his head. "Then may I ask by what distorted logic you suppose a murderer and a spy would be expected to honor his gurantee?”

“It may be an infinitely less evil to murder a man than to refuse to forgive him. The former may be the act of a moment of passion: the latter is the heart’s choice.”

“I got nothing. Even the spies I’m spying on who are spying on other spies got nothing.”

“Women have always been spies.”