“No, Sir Ethelred. In principle, I should lay it down that the existence of secret agents should not be tolerated, as tending to augment the positive dangers of the evil against which they are used. That the spy will fabricate his information is a mere commonplace. But in the sphere of political and revolutionary action, relying partly on violence, the professional spy has every facility to fabricate the very facts themselves, and will spread the double evil of emulation in one direction, and of panic, hasty legislation, unreflecting hate, on the other. However, this is an imperfect world—”

The deep-voiced Presence on the hearthrug, motionless, with big elbows stuck out, said hastily:

“Be lucid, please.”

“Yes, Sir Ethelred—An imperfect world. Therefore directly the character of this affair suggested itself to me, I thought it should be dealt with with special secrecy, and ventured to come over here.”

“That’s right,” approved the great Personage, glancing down complacently over his double chin. “I am glad there’s somebody over at your shop who thinks that the Secretary of State may be trusted now and then.”

The Assistant Commissioner had an amused smile.

“I was really thinking that it might be better at this stage for Heat to be replaced by—”

“What! Heat? An ass—eh?” exclaimed the great man, with distinct animosity.

“Not at all. Pray, Sir Ethelred, don’t put that unjust interpretation on my remarks.”

“Then what? Too clever by half?”