Insidious and shameful thoughts began to burgeon in Hasson's mind.

He was still bedeviled by a ceaseless urge to wash his hands and shameful and repetitive violent thoughts.

And then the forbidden, shameful thought, why do I have to think about him?

Then I have a shameful thought.

Every one of those Watchmen stared and thought filthy, shameful thoughts, and not one considered interfering until she pounded on the door.

The feelings that stirred inside him only reminded him of the shameful thoughts he had entertained last night.

Ayla shook her head to banish the shameful thought from her mind.

Now though, Liet wallowed in shameful thoughts, wondering if he had somehow caused this tragedy to happen.

A disconcerting, even shameful thought had taken possession.

"Only if he tries to hide shameful thoughts and acts," said Spock.