Certainly he wasn't used to thinking quickly on his feet.

"I was thinking about wearing both of them but quickly realized that would make no sense."

Unless he could think of something quickly, this was going to be a very long day.

To do really well at it, whatever your physical skills, you have to learn to think quickly.

I had to think quickly to recall his first name.

Maybe some of the others had something, she thought quickly.

Some of the other children are quick; they think quickly.

But instead I just kept thinking, and quickly thought my way right out the door.

No, he thought quickly, she can't have told them anything.

He hadn't had enough life to deal with a crisis like this, she thought quickly.