I am of course referring to patriotic spies... not mercenaries.
6 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:39:49 in the radio play.
Quote context
[...]
- I've noticed that the opinion held of a spy varies greatly.
- I am of course referring to patriotic spies... not mercenaries.
- How does a woman compare with a man as a spy?
- Very favorably... up to one point.
- A woman's heart will rule her head much more quickly than a man's.
[...]