Now was clearly a time for clear and careful thought.

Kids don't do this sort of thing without careful thought.

What he had to say next, however, required careful thought.

She was quiet for a long time, giving the question careful thought.

But what I'm going to show you requires careful thought.

Careful thought should be given to your first choice of an academy.

And you must give careful thought to marketing your work, too.

We should give careful thought to the extent to which this will meet our real needs in 2006.

South won with the ace and gave the matter careful thought.

Or if they were rejected, it was with reason given, and after careful thought.