It’s a hard question isn’t it? Makes you think about who you listen to and why.

As someone else said, I guess it would depend on the subject. 

I find myself often coming back to things Jeff Booth has said because I don’t think I have fully grasped them. 

 It really is. I felt my brain was dividing by zero. 

I personally feel fascinated by everyone.

Always everyone has something that is beyond my knowledge that I find insightful.