I've put in so many enigmas and puzzles that it will keep the professors busy for centuries arguing over what I meant, and that is the only way of insuring one's immortality. - James Joyce
Los frutos del amor son intangibles. Este es uno de sus enigmas. - Octavio Paz
Never tell a man you can read him through and through; most people prefer to be thought enigmas. - Marchioness Townsend