There was no sense in letting the former slaves know of their situation.

The slave would know too much, by the time Belisarius was done with him.

It was not the bruises which confused him, the slave knew.

Both he and his slave knew he wasn't strong enough to do anything else.

"The black slave who has escaped you must know, if no other."

The slaves knew now that I had it in my power.

Let not the slaves of this household know you have it.

He inclined his head slightly; a slave always knows another.

Even in a household with a blind mistress, a slave knew what not to see.

All the slaves here must know she's gone; how long before anyone else finds out?