Niels Bohr Institute sculptor Rikke Raben for the Niels Bohr Institute. On the front is a portrait of Niels Bohr, the atom sign and stars. The illustration on the back is inspired by a quote from Bohr: "What is it that we human beings ultimately depend on? We depend on our words. We are suspended in language. Our task is to communicate experience and ideas to others". On the back of the medal: "Unity of Knowledge" – the title of a lecture given by Bohr at Columbia University in 1954. "Nosce te ipsum" is Latin and means "know thyself". This quote originates from
¿Por qué no te callas? "NO" in capital letters, representing a call to vote against amendments in the December 2007 constitutional referendum and the phrase was used as a taunt when more than 100,000 marched in protest against Chávez's proposed constitutional changes. In Argentina, a television program called "Por qué no te callas" began broadcasting on 6 December 2007. The phrase was also seen at the 2010 FIFA World Cup. In Colombia, a famous YouTube animation called "Vulgarcito" depicted a summit between some Latin American countries and since Hugo Chávez never stopped talking in the animation, Vulgarcito, the main character, slapped him and shouted "Shhh.