Palindrome (; "again") and ' (; "way, direction"). Palindromes date back at least to 79 AD, as a palindrome was found as a graffito at Herculaneum, a city buried by ash in that year. This palindrome, called the Sator Square, consists of a sentence written in Latin: "Sator Arepo Tenet Opera Rotas" ("The sower Arepo holds with effort the wheels"). It is remarkable for the fact that the first letters of each word form the first word, the second letters form the second word, and so forth. Hence, it can be arranged into a word square that reads in four different
Ethics of belief Ethics of belief The ethics of belief refers to a cluster of related issues that focus on standards of rational belief, intellectual excellence, and conscientious belief-formation. Among the questions addressed in the field are: Contemporary discussions of the ethics of belief stem largely from a famous nineteenth-century exchange between the British mathematician and philosopher W. K. Clifford and the American philosopher William James. In 1877 Clifford published an article titled "The Ethics of Belief" in a journal called "Contemporary Review". There Clifford argued for a strict form of evidentialism that he summed up in a famous dictum: "It is wrong