" A Jedi Master always said this to each of his students before their first lesson: “Cross an unfamiliar river without first discerning its depths and shallows, and you will drown in its currents without reaching your goal.” Being a Jedi is no different. Identify the pitfalls and learn the proper path, or you fail the Order and sacrifice yourself in no good purpose. "

― Ryder Windham , Star Wars: Jedi vs. Sith: The Essential Guide to the Force