"What we do not see is solid," Esk repeated thoughtfully.

"Coincidence," she repeated thoughtfully, obviously not accepting his answer.

"Not that you can remember," the doctor repeated thoughtfully.

"That which it feeds upon-" Gathea repeated thoughtfully after me.

"The lengths she is likely to go to," Poirot repeated thoughtfully.

"Fifteen," the woman repeated thoughtfully, as though Kayla had spoken.

"It's a good thing we didn't take the house then," she repeated thoughtfully.

Sturm repeated thoughtfully, turning the jewel over and over in his hand.

"One of the men who broke in," Menou repeated thoughtfully.

"Crossed them out," Raistlin repeated thoughtfully, his eyes dark and abstracted.