Know It All

J. K. Rowling Novelist, Screenwriter

"That is the second time you have spoken out of turn, Miss Granger,” said Snape coolly. “Five more points from Gryffindor for being an insufferable know-it-all."

Robert Kiyosaki Businessman, Author

"If you think you know it all, you really know nothing."

Andrew Saul Nutritionist

"Healing is too big a topic for any one person to know it all."

Cheryl Strayed Author, Memoirist

"My concept of an advice giver had been a therapist or a know-it-all, and then I realized nobody listens to the know-it-alls. You turn to the people you know, the friend who has been in the thick of it or messed up - and I'm that person for sure."