He began to fear that those on board had knowledge of their presence also.

Just the knowledge of his presence gave her some comfort.

I gather that knowledge of your Western presence was like the wasp-things.

Still, the knowledge of their presence, you may be sure, robbed me of even a single decent hour of sleep.

In fact, his first knowledge of The Shadow's presence came when he caught the order of a whispered voice.

I have sent my crew away that none aboard the Vosar but myself might have knowledge of your presence.

He has no knowledge of Badger's presence until the final episode of the first series.

For a moment or two longer he drew what consolation he could from the knowledge of their continued presence above him.

His eyes were dark with sedation, but the knowledge of her presence was in them.

But he's confident his knowledge of the site and his presence here will prevent crime becoming a major problem.