He was convinced that there was a tremendous lot of German spy work about, and that most of the practitioners were innocent.

'The ordinary Briton doesn't run to treason, but he's not very bright.

A clever man in that kind of game can make better use of a fool than a rogue.' As he saw me off he gave me a piece of advice.

'Get out of these clothes as soon as you reach London.

Private Tomkins will frank you out of Bradfield, but it mightn't be a healthy alias in the metropolis.' At eleven-thirty I was safe in the train, talking the jargon of the returning soldier with half a dozen of my own type in a smoky third-class carriage.