“ An extraordinary lightness seemed to spread through his whole body and the next second, in a rush of wings, they were flying upward through the pipe. Harry could hear Lockhart dangling bellow him, say… J.K. Rowling
“ His memory's gone", said Ron. "The Memory Charm backfired. Hit him instead of us. Hasn't got a clue who he is, or where he is, or who we are. I told him to come and wait here. He's a danger to himself… J.K. Rowling
