"You can observe a lot just by watching"
Something to add to your list:"Walter: Green, green, green, red... like Christmas lights.Philip: Now, how did you know that, Dr. Bishop?Walter: I don't know. But that's what happened, isn't it?Philip: Yes.Peter: Think you might be able to jog your mind, Walter? Could be kinda helpful.Walter: Christmas lights, that's all I can recall." - http://www.fringebloggers.com/mysteries-of-fringe-green-green-green-red/
I missed this one. Will be back!