line of thinking

1. A particular course or progression of thinking about something. Let's explore this line of thinking further—does the appreciation of beauty somehow prove the existence of the soul? The conversation led to an interesting line of thinking about the impact this new technology could have on future generations.

2. A specific approach to or way of thinking about something. People are naturally inclined to prioritize their own well-being above others', but it is this line of thinking that has led to such deep divisions between communities over the years. My father's reaction was indicative of a line of thinking shared by many of their generation.