I would give my head to know where the leak is.
We believed there were only five men in England who knew about Royer's visit, and you may be certain there were fewer in France, for they manage these things better there.' While I ate he continued to talk, making me to my surprise a present of his full confidence.
'Can the dispositions not be changed ?' I asked.
'They could,' he said.

'But we want to avoid that if possible.

They are the result of immense thought, and no alteration would be as good.
Besides, on one or two points change is simply impossible.

Still, something could be done, I suppose, if it were absolutely necessary.
But you see the difficulty, Hannay.

Our enemies are not going to be such fools as to pick Royer's pocket or any childish game like that.
They know that would mean a row and put us on our guard.