Pie de Amigo (Foot of Friend) by Miler Lagos: 'An arc of stacked architecture books with one pencil placed in the leaves of each book that, if removed, would cause the whole piece to tumble.'
Fray Luis de León, the great humanist scholar of the Spanish Golden Age, one of the sages of Salamanca University, was condemned by the Inquisition for translating the Song of Solomon and spent four years in prison before being allowed to return to his lectern, where he began his first lecture with the phrase, "Decíamos ayer": "As we were saying yesterday..."