I wondered long and fervently about the nature of angels. Eventually, I came upon a peculiar idea: that an angel might be a strange sort of ‘living position’ which is perfectly still and stationary relative to every form of movement. A kind of ‘living angle’ or vector, against which all movement acquires its identity and character. And then… well, things started to happen to and within me. Impossible things. Things I can no more describe than you could believe…