" Incommunicable. Language used for communication with individual-persons will not contain other forms of relationship. Jor Jor.” The right hand, a great, greenish, flipperlike extremity, came forward in a slow and perhaps tentative fashion. “Tiua’k Ennbe Ennbe.” Orr shook hands with it. It stood immobile, apparently regarding him, though no eyes were visible inside the dark-tinted, vapor-filled headpiece. If it was a headpiece. Was there in fact any substantial form within that green carapace, that mighty armor? He didn’t know. He felt, however, completely at ease with Tiua’k Ennbe Ennbe. “I don’t suppose,” he said, on impulse again, “that you ever knew anyone named Lelache?” “Lelache. No. Do you seek Lelache.” “I have lost Lelache.” “Crossings in mist,” the "

― Ursula K. Le Guin , The Lathe of Heaven