Mullon brushed aside such useless thoughts as he saw Rhodan get up and step to the speaker's stand.

She could not clutter her mind with useless thoughts while every moment it must be devoted to thoughts of escape.

She pushed that useless thought aside and studied the land.

To his surprise, something like sleep came along shortly after - dreamless, dark, not very comfortable, but much better than useless thought.

The useless thought came to me that they must be taking casualties from firing in built-up areas.

These, Joseph told himself, were useless thoughts.

One useless thought insisted on staying in his mind.

Shoving the useless thought away, she switched on the radio and tried to raise Zalkan.

It was a useless thought, and he knew it.

Just breathe evenly, and empty the mind of useless thoughts.