quick mind

Instantly, as ever, her quick mind grasped the meaning that lay back of the words and her face grew deathly white.

"Yes, and I will talk with her," Sally went on, the pleasant imagination rapidly growing in her quick mind.

The quick mind supplies the apt repartee, while the dullard thinks of the appropriate reply next morning—if at all.

He gazed steadily at her—and again his quick mind was searching for a solution to the situation.

It flashed over her quick mind instantly that for her a trap had been deliberately laid, and she had stepped straight into it.