Hermione: "All we'd need would be some Polyjuice Potion."
"What's that?" said Ron and Harry together.
"Snape mentioned it in class a few weeks ago--"
"D'you think we've got nothing better to do in Potions than to listen to Snape?" muttered Ron.
--Harry Potter and the Chamber of Secrets by J.K. Rowling, Chapter 9
"We must use time creatively."
--Martin Luther King, Jr.