Most scholars thing the hypothetical "Q" gospel would have been a "sayings" gospel--which is to say, it was mostly a collection of quotes from Jesus, rather than a narrative. The Gospel of Thomas would be a comparable "sayings" gospel, for an example of what that would look like.

It might seem a little string to think of an entire book that's just quotes from someone, absent context. However, this tradition still exists today:

https://www.amazon.com/Dalai-Lama-Book-Quotes-Collection/dp/...