I ask him if he's self-analytical; again, his thoughts wander back to fame, and at first he becomes spectacularly tongue-tied.

Cue a stroll to the riverside, where our thoughts wander.

I am absorbed by the moody atmosphere, and my thoughts wander — recalling the great and the good associated with this town.

It won't do to let your thoughts wander.

But the thoughts wander back to the times when it was worthwhile to fight for your life.