In his book Chaotic Thoughts from the Old Millennium, he uses a comparison of traffic rules in Singapore to those found overseas, to describe the phenomenon : In Singapore, drivers are not allowed to make a U-turn unless a sign specifically allows them to do so, while in some other countries drivers may make U-turns freely so long as the 'No U-turn' sign is not present.
Down syndrome | Tourette syndrome | Asperger syndrome | The Turn of the Screw | Turn! Turn! Turn! | Hairpin turn | U-turn | Marfan syndrome | Down Syndrome | Turner syndrome | The Turn of the Screw (opera) | Down's syndrome | Asperger's syndrome | Williams syndrome | Turn On Your Love Light | Stockholm syndrome | Severe acute respiratory syndrome | Rett syndrome | Irukandji syndrome | Chronic fatigue syndrome | Wiskott–Aldrich syndrome protein | Tourette Syndrome Association | syndrome | Spider-Man: Turn Off the Dark | severe acute respiratory syndrome | Premenstrual syndrome | Le syndrome de Peter Pan | Alport syndrome | Wrong Turn | Usher syndrome |