" My ignorance—my own inexperience—cost one of my students his life already, and threw another one into the arms of the dark side and caused havoc in the galaxy I don’t even want to think about. The whole thing—the Academy, and bringing back the skills of the Jedi—is too important for … for ‘Learn While You Teach.’ That’s …” He hesitated, hating to say it of his teacher but knowing he had to. “That’s the mistake Ben made, when he taught my father. "

― Barbara Hambly , Children of the Jedi (Star Wars: The Callista Trilogy, #1)