Only Yesterday, ch. 2, Harper (1931)
Frederick Lewis Allen: Frases en inglés
“It is easier to tear down a code than to put a new one in its place.”
Only Yesterday http://books.google.com/books?id=cdmXVzZ5xOsC&q=%22It+is+easier+to+tear+down+a+code+than+to+put+a+new+one+in+its+place%22&pg=PA102#v=onepage, ch. 5, (1931)