His mind kept echoing with the successive shocks he had just undergone.

The word kept echoing in quick-step cadence through his head without meaning anything.

But the question, once posed, kept echoing in George's mind.

The phrase "eating for two" kept echoing in my head.

Her name kept echoing inside him, bouncing off the walls he'd tried to build around his heart.

The word murderer kept echoing in his brain, blotting other thought out.

Douglas's words kept echoing over and over in her head.

And the old woman's words kept echoing in her head.

Those last three words kept echoing in the young soldier's mind, while their meaning seemed to stay just out of reach.

A phrase Prime had used kept echoing: "what- ever forces are at work behind you."