Personally I'm looking for additional insight into topics that interest me, usually investing and business topics.

“A man's life in these parts often depends on a mere scrap of information.” – Clint Eastwood in A Fistful of Dollars

“You must offer one thing very clever . . . or two things moderately clever; or three things very dull indeed.”  – Frank Churchill in Emma by Jane Austen

I'm looking for that scrap of information or very clever thing that provides an "Aha!"