line of thought
line of thinking

But he was already onto his new line of thought.

But it started him on a new line of thought.

He took a moment to consider this new line of thought.

But today she had trouble following one line of thought, never mind two.

She said the judge seemed to follow the same line of thought.

However, I do not agree with this line of thought.

This whole line of thought was running way too fast.

It was hard to focus on this line of thought.

Where is this line of thought going, you may wonder?

He stopped that line of thought before it went any further.

He stopped and ran over that line of thought again.

He looked at Anna to see if she was following his line of thought.

It was a line of thought that took her too close to the pain.

I stopped that line of thought, as something changed around us.

"I would be just as happy if that whole line of thought went away," she said.

But the information he had already received was enough to set in train a new line of thought.

I wanted to talk, to pursue this line of thought.

The similarity was enough to start a line of thought for me.

This line of thought got me through another half a mile or so.

He looked at his watch and then seemed to become absorbed with some line of thought.

He did not have to ask if Nicholas was following his line of thought.

You go there to see a particular line of thought unfolding.

There were two main lines of thought I could follow.

If he pursued that line of thought he'd find the answer.

Why did I continue to pursue that line of thought?